ISOTOPE SHIFT BETWEEN THE GROUND LEVEL OF ²⁰NE AND ²²NEWESTERVELD WB; VAN ECK J.1979; J. PHYS. B; GBR; DA. 1979; VOL. 12; NO 3; PP. 377-381; BIBL. 7 REF.Article

AN EVALUATION OF K-SHELL FLUORESCENCE YIELDS: OBSERVATION OF OUTER-SHELL EFFECTSLANGENBERG A; VAN ECK J.1979; J. PHYS. B; GBR; DA. 1979; VOL. 12; NO 8; PP. 1331-1350; BIBL. 78 REF.Article

A BINARY-ENCOUNTER CALCULATION WITH REALISTIC VELOCITY DISTRIBUTION OF THE TARGET ELECTRON.LANGENBERG A; VAN ECK J.1978; J. PHYS. B; G.B.; DA. 1978; VOL. 11; NO 8; PP. 1425-1434; BIBL. 21 REF.Article

THE USE OF A RETARDING FIELD ELECTRON SPECTROMETER IN ION-ATOM COLLISION EXPERIMENTSDUINKER W; VAN ECK J.1982; J. PHYS. E; ISSN 0022-3735; GBR; DA. 1982; VOL. 15; NO 5; PP. 525-529; BIBL. 15 REF.Article

DETERMINATION OF OSCILLATOR STRENGTHS FROM THE SELF-ABSORPTION OF RESONANCE RADIATION IN RARE GASES.WESTERVELD WB; VAN ECK J.1977; J. QUANT. SPECTROSC. RAD. TRANSFER; G.B.; DA. 1977; VOL. 17; NO 2; PP. 131-138; BIBL. 15 REF.Article

DETERMINATION OF OSCILLATOR STRENGTHS FROM THE SELF-ABSORPTION OF RESONANCE RADIATION IN RARE GASES. II: NEON AND ARGONWESTERVELD WB; MULDER TFA; VAN ECK J et al.1979; J. QUANT. SPECTROSC. RAD. TRANSFER; GBR; DA. 1979; VOL. 21; NO 6; PP. 533-546; BIBL. 59 REF.Article

ELECTRON IMPACT EXCITATION OF 1¹S->2¹P AND 1¹S->3¹P OF HELIUM: EXCITATION CROSS SECTIONS AND POLARISATION FRACTIONS OBTAINED FROM XUV RADIATIONWESTERVELD WB; HEIDEMANN HGM; VAN ECK J et al.1979; J. PHYS. B; GBR; DA. 1979; VOL. 12; NO 1; PP. 115-135; BIBL. 1 P.Article

THE INFLUENCE OF COLLISIONAL TRANSFER OF EXCITATION ENERGY IN HELIUM ON THE ELECTRON-IMPACT EXCITATION OF THE 4³D LEVEL.VAN RAAN AF; VAN ECK J.1974; J. PHYS. B; G.B.; DA. 1974; VOL. 7; NO 15; PP. 2003-2020; BIBL. 32 REF.Article

AR L-SHELL IONIZATION BY ELECTRONS AND LIGHT IONS: DETERMINATION OF X-RAY EMISSION CROSS SECTIONS AND MEAN FLUORESCENCE YIELDS FOR CHARGE-STATE DISTRIBUTIONS.LANGENBERG A; DE HEER FJ; VAN ECK J et al.1975; J. PHYS. B; G.B.; DA. 1975; VOL. 8; NO 12; PP. 2079-2108; BIBL. 1 P.Article

A System of Temporally Relative Modal and Deontic Predicate Logic and Its Philosophical ApplicationsVAN ECK, J. A.Logique et Analyse Louvain. 1982, Num 99, pp 249-290Article

ELECTRON IMPACT EXCITATION OF THE (2P²)³P DOUBLY EXCITED STATE OF HELIUMWESTERVELD WB; KETS FB; HEIDEMAN HGM et al.1979; J. PHYS. B; GBR; DA. 1979; VOL. 12; NO 15; PP. 2575-2581; BIBL. 25 REF.Article

AN EXPERIMENTAL STUDY OF THE RESPONSE OF A VENETIAN BLIND TYPE PHOTOMULTIPLIER = ETUDE EXPERIMENTALE DE LA REPONSE D'UN PHOTOMULTIPLICATEUR DU TYPE RESEAU VENITIENVAN RAAN AFJ; VAN DER WEG J; VAN ECK J et al.1972; J. PHYS. E; G.B.; DA. 1972; VOL. 5; NO 10; PP. 964-966; BIBL. 1 REF.Serial Issue

Effect of bialaphos and phosphinothricin on plant regeneration from long- and short-term callus cultures of GladiolusKAMO, K; VAN ECK, J.In vitro cellular & developmental biology. Plant. 1997, Vol 33, Num 3, pp 180-183, issn 1054-5476Article

A System of Temporally Relative Modal and Deontic Predicate Logic and its Philosophical Applications, 2VAN ECK, J. A.Logique et Analyse Louvain. 1982, Vol 25, Num 100, pp 339-381Article

DIFFERENCES IN KX RAY PRODUCTION CROSS SECTIONS AND X RAY SPECTRA MEASURED IN AR-CL₂ AND IN AR-AR, AR-HCL COLLISIONS.SARIS FW; FOSTER C; LANGENBERG A et al.1974; J. PHYS. B; G.B.; DA. 1974; VOL. 7; NO 12; PP. 1494-1505; BIBL. 27 REF.Article

Accessibility analysis and spatial competition effects in the context of GIS-supported service location planningRITSEMA VAN ECK, J. R; DE JONG, T.Computers, environment and urban systems. 1999, Vol 23, Num 2, pp 75-89, issn 0198-9715Article

Location profile-based measures as an improvement on accessibility modelling in GISDE JONQ, T; VAN ECK, J. R.Computers, environment and urban systems. 1996, Vol 20, Num 3, pp 181-190, issn 0198-9715Article

The influence of internal energy on the cross section of the ion-molecule reaction C₃H₄⁺(C₃H₄,H)C₆H₇⁺VAN PIJKEREN, D; VAN ECK, J; NIEHAUS, A et al.Chemical physics. 1986, Vol 103, Num 2-3, pp 383-389, issn 0301-0104Article

MEASUREMENTS OF COMPLEX SCATTERING AMPLITUDES FOR ELECTRON IMPACT EXCITATION OF THE 3¹D AND 3¹P STATES OF HELIUMVAN LINDEN VAN DEN HEUWELL HB; VAN GASTEREN EM; VAN ECK J et al.1983; JOURNAL OF PHYSICS B: ATOMIC AND MOLECULAR PHYSICS; ISSN 0022-3700; GBR; DA. 1983; VOL. 16; NO 9; PP. 1619-1631; BIBL. 13 REF.Article

Callus initiation and regeneration in MenthaVAN ECK, J. M; KITTO, S. L.HortScience. 1990, Vol 25, Num 7, pp 804-806, issn 0018-5345, 3 p.Article

A SCATTERED-ELECTRON CASCADED-PHOTON COINCIDENCE EXPERIMENT ON THE ELECTRON IMPACT EXCITATION OF THE 3¹D STATE OF HELIUMVAN LINDEN VAN DEN HEUVELL HB; NIENHUIS G; VAN ECK J et al.1981; J. PHYS. B; ISSN 0022-3700; GBR; DA. 1981; VOL. 14; NO 15; PP. 2667-2676; BIBL. 18 REF.Article

"PARITY UNFAVOURED" TRANSITIONS: THE EXCITATION OF THE (2P²)³P DOUBLY EXCITED STATE OF HELIUM BY ELECTRONSVAN LINDEN VAN DEN HEUVELL HB; VAN DE WATER W; HEIDEMAN HGM et al.1980; J. PHYS. B; ISSN 0022-3700; GBR; DA. 1980; VOL. 13; NO 12; PP. 2475-2480; BIBL. 12 REF.Article

Internal-energy-selected measurements of acetylene ions with acetylene at thermal energiesVAN DER MEIJ, C. E; VAN ECK, J; NIEHAUS, A et al.Chemical physics. 1988, Vol 119, Num 1, pp 135-144, issn 0301-0104Article

Measurement of coherence parameters for the electron impact excitation of the 3¹D state of helium at small electron scattering anglesBATELAAN, H; VAN ECK, J; HEIDEMAN, H. G. M et al.Journal of physics. B. Atomic and molecular physics. 1988, Vol 21, Num 24, pp L741-L745, issn 0022-3700Article

Stable transformation of Gladiolus by particle gun bombardment of cormelsKAMO, K; BLOWERS, A; SMITH, F et al.Plant science (Limerick). 1995, Vol 110, Num 1, pp 105-111, issn 0168-9452Article