DUAL PHOTON ABSORPTIOMETRY IN LUMBAR VERTEBRAE. II. PRECISION AND REPRODUCIBILITY. = ABSORPTIOMETRIE PHOTONIQUE DOUBLE DES VERTEBRES LOMBAIRES. II. PRECISION ET REPRODUCTIBILITEROOS BO.1975; ACTA RADIOL., THERAPY PHYS. BIOL.; SUEDE; DA. 1975; VOL. 14; NO 3; PP. 291-303; ABS. ALLEM. FR.; BIBL. 6 REF.Article

COMPLETE ACTIVE SPACE (CAS) SCF STUDY OF THE DIPOLE POLARIZABILITY FUNCTION FOR THE X¹SIGMA ⁺ STATE OF LIHROOS BO; SADLEJ AJ.1982; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1982; VOL. 76; NO 11; PP. 5444-5451; BIBL. 31 REF.Article

A MULTICONFIGURATIONAL SCF STUDY OF THE TRANSFORMATION OF METHYLENE PEROXIDE TO DIOXIRANE. INTERMEDIATES IN THE OZONOLYSIS OF ETHYLENEKALRSTROEM G; ROOS BO.1981; CHEM. PHYS. LETT.; ISSN 0009-2614; NLD; DA. 1981; VOL. 79; NO 3; PP. 416-420; BIBL. 33 REF.Article

METHYLENE SINGLET-TRIPLET SEPARATION. AN AB INITIO CONFIGURATION INTERACTION STUDY.ROOS BO; SIEGBAHN PM.1977; J. AMER. CHEM. SOC.; U.S.A.; DA. 1977; VOL. 99; NO 23; PP. 7716-7718; BIBL. 15 REF.Article

DUAL PHOTON ABSORPTIONMETRY IN LUMBAR VERTEBRAE. I. THEORY AND METHOD = ABSORPTIOMETRIE DE PHOTONS JUMELES DANS UNE VERTEBRE LOMBAIRE. I. THEORIE ET METHODEROOS BO; SKOLDBORN H.1974; ACTA RADIOL., THERAPY PHYS. BIOL.; SUEDE; DA. 1974; VOL. 13; NO 3; PP. 266-280; ABS. ALLEM. FR.; BIBL. 16REF.Article

ON THE ORDERING OF THE IONIZATION ENERGIES IN N₂. A MC SCF STUDY OF NEAR-DEGENERACY EFFECTSBAGUS PS; ROOS BO.1981; CHEM. PHYS. LETT.; ISSN 0009-2614; NLD; DA. 1981; VOL. 82; NO 1; PP. 158-161; BIBL. 9 REF.Article

A DIRECT CI METHOD WITH A MULTICONFIGURATIONAL REFERENCE STATEROOS BO; SIEGBAHN PEM.1980; INT. J. QUANTUM CHEM.; ISSN 0020-7608; USA; DA. 1980; VOL. 17; NO 3; PP. 485-500; ABS. FRE/GER; BIBL. 24 REF.Article

A COMPLETE ACTIVE SPACE SCF METHOD (CASSCF) USING A DENSITY MATRIX FORMULATED SUPER-CI APPROACHROOS BO; TAYLOR PR; SIEGBAHN EM et al.1980; CHEM. PHYS.; NLD; DA. 1980; VOL. 48; NO 2; PP. 157-173; BIBL. 51 REF.Article

DEVELOPMENT OF OSTEOPENIA IN THE FOURTH LUMBAR VERTEBRA DURING PROLONGED BED REST AFTER OPERATION FOR SCOLIOSIS. = DEVELOPPEMENT DE L'OSTEOPENIE DANS LA QUATRIEME VERTEBRE LOMBAIRE PENDANT LE REPOS AU LIT PROLONGE APRES OPERATION POUR SCOLIOSEHANSSON TH; ROOS BO; NACHEMSON A et al.1975; ACTA ORTHOP. SCAND.; DANEM.; DA. 1975; VOL. 46; NO 4; PP. 621-630; BIBL. 1 P. 1/2Article

MCSCF AND MULTI-REFERENCE CI CALCULATIONS OF THE POTENTIAL ENERGY SURFACE FOR GROUND STATE H₂OKRAEMER WP; ROOS BO; SIEGBAHN PEM et al.1982; CHEM. PHYS.; ISSN 0301-0104; NLD; DA. 1982; VOL. 69; NO 3; PP. 305-321; BIBL. 40 REF.Article

A THEORETICAL STUDY OF NIH. OPTICAL SPECTRUM AND POTENTIAL CURVESBLOMBERG MRA; SIEGBAHN PEM; ROOS BO et al.1982; MOL. PHYS.; ISSN 0026-8976; GBR; DA. 1982; VOL. 47; NO 1; PP. 127-143; BIBL. 33 REF.Article

LEGITIMATE CALCULATION OF FIRST-ORDER MOLECULAR PROPERTIES IN THE CASE OF LIMITED CI FUNCTIONS. DIPOLE MOMENTSDIERCKSEN GHF; ROOS BO; SADLEJ AJ et al.1981; CHEM. PHYS.; ISSN 0301-0104; NLD; DA. 1981; VOL. 59; NO 1-2; PP. 29-39; BIBL. 44 REF.Article

MCSCF-CI CALCULATIONS OF THE GROUND STATE POTENTIAL CURVES OF LIH, LI₂ AND F₂JOENSSON B; ROOS BO; TAYLOR PR et al.1981; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1981; VOL. 74; NO 8; PP. 4566-4575; BIBL. 49 REF.Article

SYMMETRY ADAPTED VERSUS SYMMETRY BROKEN WAVEFUNCTIONS: THE 1S CORE LEVEL IONS OF O₂⁺AGREN H; BAGUS PS; ROOS BO et al.1981; CHEM. PHYS. LETT.; ISSN 0009-2614; NLD; DA. 1981; VOL. 82; NO 3; PP. 505-510; BIBL. 27 REF.Article

SCF-CI STUDIES OF THE EQUILIBRIUM STRUCTURE AND THE PROTON TRANSFER BARRIER H₃O₂^-.ROOS BO; KRAEMER WP; DIERCKSEN GHF et al.1976; THEOR. CHIM. ACTA; ALLEM.; DA. 1976; VOL. 42; NO 1; PP. 77-82; BIBL. 19 REF.Article

COMPLETE-ACTIVE-SPACE SELF-CONSISTENT-FIELD AND CONTRACTED CONFIGURATION-INTERACTION STUDY OF THE ELECTRON CORRELATION IN NE, F^-, NE⁺, AND FROOS BO; SADLEJ AJ; SIEGBAHN PEM et al.1982; PHYS. REV. A; ISSN 0556-2791; USA; DA. 1982; VOL. 26; NO 3; PP. 1192-1199; BIBL. 44 REF.Article

GROUND-STATE DIPOLE POLARIZABILITY OF LITHIUM HYBRIDE. ACCURATE SCF AND CAS SCF CALCULATIONSKARLSTROM G; ROOS BO; SADLEJ AJ et al.1982; CHEM. PHYS. LETT.; ISSN 0009-2614; NLD; DA. 1982; VOL. 86; NO 4; PP. 374-379; BIBL. 33 REF.Article

A CASSCF STUDY OF THE POTNETIAL CURVES FOR THE X¹SIGMA ⁺, B¹SIGMA ⁺, AND A⁺PI STATES OF THE BH MOLECULEJASZUNSKI M; ROOS BO; WIDMARK PO et al.1981; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1981; VOL. 75; NO 1; PP. 306-314; BIBL. 28 REF.Article

SCF-CI STUDIES OF CORRELATION EFFECTS ON HYDROGEN BONDING AND ION HYDRATION. THE SYSTEMS: H₂O, H⁺.H₂O, LI⁺.H₂O, F⁼.H₂O, AND H₂O.H₂O.DIERCKSEN GHF; KRAEMER WP; ROOS BO et al.1975; THEOR. CHIM. ACTA; ALLEM.; DA. 1975; VOL. 36; NO 4; PP. 249-274; BIBL. 1 P. 1/2Article

A SIMPLE METHOD FOR THE EVALUATION OF THE SECOND-ORDER PERTURBATION ENERGY FROM EXTERNAL DOUBLE-EXCITATIONS WITH A CASSCF REFERENCE WAVEFUNCTIONROOS BO; LINSE P; SIEGBAHN PEM et al.1982; CHEM. PHYS.; ISSN 0301-0104; NLD; DA. 1982; VOL. 66; NO 1-2; PP. 197-207; BIBL. 27 REF.Article

THE COMPLETE ACTIVE SPACE CSF (CASSCF) METHOD IN A NEWTON-RAPHSON FORMULATION WITH APPLICATION TO THE HNO MOLECULESIEGBAHN PEM; ALMLOEF J; HEIBERG A et al.1981; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1981; VOL. 74; NO 4; PP. 2384-2396; BIBL. 50 REF.Article

A CRITICAL STUDY OF BASIS SET EFFECTS AND THE USE OF APPROXIMATE NATURAL ORBITALS IN SCF-CI CALCULATIONS OF MOLECULAR GEOMETRIES AND HEATS OF REACTION.KARLSTROM G; JONSSON B; ROOS BO et al.1978; THEOR. CHIM. ACTA; ALLEM.; DA. 1978; VOL. 48; NO 1; PP. 59-74; BIBL. 39 REF.Article

MULTIPLE EXCITATIONS AND CHARGE TRANSFER IN THE ESCA NLS (NO₂) SPECTRUM OF PARANITROANILINE. A THEORETICAL AN EXPERIMENTAL STUDYAGREN H; ROOS BO; BAGUS PS et al.1982; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1982; VOL. 77; NO 8; PP. 3893-3901; BIBL. 39 REF.Article