ANGULAR-RESOLVED SECONDARY-ELECTRON-EMISSION SPECTRA FROM TUNGSTEN SURFACES.WILLIS RF.1975; PHYS. REV. LETTERS; U.S.A.; DA. 1975; VOL. 34; NO 11; PP. 670-674; BIBL. DISSEM.Article

SURFACE-RESONANCE-BAND FINE STRUCTURE IN LOW-ENERGY-ELECTRON DIFFRACTION FROM W(001).WILLIS RF.1978; PHYS. REV., B; U.S.A.; DA. 1978; VOL. 17; NO 2; PP. 909-911; BIBL. 11 REF.Article

GROUNDWATER EXPLORATION AND DEVELOPMENT TECHNIQUESWILLIS RF.1979; J., AMER. WAT. WORKS ASS.; USA; DA. 1979; VOL. 71; NO 10; PP. 556-561; BIBL. 4 REF.; 5 ILL.Article

REHYBRIDIZATION OF C₂H₂ CHEMISORBED ON W(110).BACKX C; WILLIS RF.1978; CHEM. PHYS. LETTERS; NETHERL.; DA. 1978; VOL. 53; NO 3; PP. 471-473; BIBL. 13 REF.Article

PROBING SOLID SURFACES.WILLIS RF; FEUERBACHER B.1977; PHYS. BULL.; G.B.; DA. 1977; VOL. 28; NO 3; PP. 117-120Article

PHOTOIONIZATION LINE SHAPE OF THE SURFACE STATE ON W(100).FEUERBACHER B; WILLIS RF.1976; PHYS. REV. LETTERS; U.S.A.; DA. 1976; VOL. 37; NO 7; PP. 446-450; BIBL. 22 REF.Article

VIBRATIONAL SPECTROSCOPY OF ADSORBATES = SPECTROSCOPIE VIBRATIONNELLE DES ADSORBATSWILLIS RF ED.1980; SPRINGER SER. CHEM. PHYS.; DEU; DA. 1980; VOL. 15; 184 P.; BIBL. DISSEM.Serial Issue

SECONDARY-ELECTRON-EMISSION SPECTROSCOPY OF TUNGSTEN: ANGULAR DEPENDENCE AND PHENOMENOLOGYWILLIS RF; CHRISTENSEN NE.1978; PHYS. REV., B; USA; DA. 1978; VOL. 18; NO 10; PP. 5140-5161; BIBL. 53 REF.Article

PHYSICAL ADSORPTION OF HYDROGEN ON INTERSTELLAR GRAPHITE GRAIN SURFACES.WILLIS RF; FITTON B.1976; ASTROPHYS. SPACE SCI. LIBRARY; NETHERL.; DA. 1976; VOL. 55; PP. 71-85; BIBL. 1 P.; (SOLID STATE ASTROPHYS. PROC. SYMP.; CARDIFF, WALES; 1974)Conference Paper

MOMENTUM TRANSFER CUTOFF IN THE SCATTERING OF NEON ATOMS FROM A NICKEL (111) SURFACE = COUPURE DU TRANSFERT DE MOMENT DANS LA DIFFUSION D'ATOMES DE NEON PAR UNE SURFACE (111) DE NICKELFEUERBACHER B; WILLIS RF.1981; PHYS. REV. LETT.; ISSN 0031-9007; USA; DA. 1981; VOL. 47; NO 7; PP. 526-529; BIBL. 17 REF.Article

PHOTOEMISSION AND ELECTRON STATES AT CLEAN SURFACES.FEUERBACHER B; WILLIS RF.1976; J. PHYS., C; G.B.; DA. 1976; VOL. 9; NO 2; PP. 169-216; BIBL. 3 P.Article

SPECIMEN MANIPULATORS FOR HIGH RESOLUTION IN ULTRA-HIGH VACUUMHEAD PV; ALLISON W; WILLIS RF et al.1982; VACUUM; ISSN 0042-207X; GBR; DA. 1982; VOL. 32; NO 10-11; PP. 641-644; BIBL. 6 REF.Conference Paper

STUDY OF CARBON-FIBER SURFACES USING AUGER AND SECONDARY ELECTRON EMISSION SPECTROSCOPYWILLIS RF; FITTON B; SKINNER DK et al.1972; J. APPL. PHYS.; U.S.A.; DA. 1972; VOL. 43; NO 11; PP. 4412-4419; BIBL. 32 REF.Serial Issue

ANGULAR DEPENDENCE OF PHOTOEMISSION FROM INTRINSIC SURFACE STATES ON W(100)WILLIS RF; FEUERBACHER B; FITTON B et al.1976; SOLID STATE COMMUNIC.; G.B.; DA. 1976; VOL. 18; NO 9-10; PP. 1315-1319; BIBL. 21 REF.Article

ORIGIN OF THE ANOMALOUS LOW-FREQUENCY LOSSES OBSERVED IN THE INELASTIC SCATTERING OF HE ATOMS FROM LIF (001)ALLISON W; WILLIS RF; CARDILLO M et al.1981; PHYS. REV. B; ISSN 0163-1829; USA; DA. 1981; VOL. 23; NO 12; PP. 6824-6827; BIBL. 8 REF.Article

MECHANISMS FOR LOW-ENERGY-ELECTRON VIBRATIONAL EXCITATION OF ADSORBATES: H ON W (100) = MECANISMES POUR L'EXCITATION VIBRATIONNELLE DES ELECTRONS DE FAIBLE ENERGIE DES ADSORBATS: H SUR W (100)HO W; WILLIS RF; PLUMMER EW et al.1980; PHYS. REV. B; ISSN 0163-1829; USA; DA. 1980; VOL. 21; NO 10; PP. 4202-4222; BIBL. 75 REF.Article

SURFACE RESONANCE BANDS ON (001)W: EXPERIMENTAL DISPERSION RELATIONS.WILLIS RF; FEUERBACHER B; CHRISTENSEN NE et al.1977; PHYS. REV. LETTERS; U.S.A.; DA. 1977; VOL. 38; NO 19; PP. 1087-1091; BIBL. 13 REF.Article

HIGH-RESOLUTION ELECTRON-ENERGY-LOSS SPECTROSCOPY OF VIBRATIONAL STATES OF ADSORBATES ON (111) TUNGSTEN.BACKX C; FEUERBACHER B; FITTON B et al.1977; SURF. SCI.; NETHERL.; DA. 1977-03; VOL. 63; PP. 193-202; BIBL. 16 REF.; (SOLID. VAC. INTERFACE. INT. SYMP. SURF. PHYS. 4. PROC.; EINDHOVEN, NETH.; 1976)Conference Paper

VIBRATION STATES OF HYDROGEN ON TUNGSTEN.BACKX C; FEUERBACHER B; FITTON B et al.1977; PHYS. LETTERS, A; NETHERL.; DA. 1977; VOL. 60; NO 2; PP. 145-147; BIBL. 12 REF.Article

INFRARED VIBRATION SPECTROSCOPY OF MOLECULAR ADSORBATES ON TUNGSTEN USING REFLECTION INELASTIC ELECTRON SCATTERING.BACKX C; WILLIS RF; FEUERBACHER B et al.1977; SURF. SCI.; NETHERL.; DA. 1977; VOL. 68; PP. 516-527; BIBL. 30 REF.; (INTERDISCIPLINARY SURF. SCI. CONF. 3. PROC.; YORK; 1977)Conference Paper