FOURIER SPECTROSCOPY WITHOUT A COMPUTER.VELZEL CHF.1974; PHILIPS RES. REP.; NETHERL.; DA. 1974; VOL. 29; NO 4; PP. 330-339; BIBL. 33 REF.Article

LASER BEAM READING OF VIDEO RECORDS.VELZEL CHF.1978; APPL. OPT.; USA; DA. 1978; VOL. 17; NO 13; PP. 2029-2036; BIBL. 11 REF.Article

ON THE IMAGING PROPERTIES OF HOLOGRAPHIC GRATINGS.VELZEL CHF.1977; J. OPT. SOC. AMER.; U.S.A.; DA. 1977; VOL. 67; NO 8; PP. 1021-1027; BIBL. 12 REF.Article

ABERRATION BALANCING FOR GRATING MOUNTINGS WITH LARGE ABERRATIONS.VELZEL CHF.1978; J. OPT. SOC. AMER.; U.S.A.; DA. 1978; VOL. 68; NO 1; PP. 38-41; BIBL. 6 REF.Article

INVERSE FOURIER SPECTROSCOPY. II. EXPERIMENTS.VELZEL CHF.1976; PHILIPS RES. REP.; NETHERL.; DA. 1976; VOL. 31; NO 2; PP. 97-119; BIBL. 10 REF.Article

ANALYSE HOLOGRAPHIQUE DES DEFORMATIONSVELZEL CHF.1975; ; S.L.; DA. 1975; DE L'ANGL.: PHILIPS TECHNICAL REVIEW, 1975; 35, NO 2-3, 53-64Miscellaneous

NONLINEAR PROCESSING OF THE INTERFEROGRAM IN FOURIER SPECTROSCOPYVELZEL CHF.1978; J. OPT. SOC. AMER.; USA; DA. 1978; VOL. 68; NO 7; PP. 915-919; BIBL. 19 REF.Article

A GENERAL THEORY OF THE ABERRATIONS OF DIFFRACTION GRATINGS AND GRATINGLIKE OPTICAL INSTRUMENTS. = UNE THEORIE GENERALE DES ABERRATIONS DES RESEAUX DE DIFFRACTION ET DES INSTRUMENTS D'OPTIQUE GENRE RESEAUXVELZEL CHF.1976; J. OPT. SOC. AMER.; U.S.A.; DA. 1976; VOL. 66; NO 4; PP. 346-353; BIBL. 12 REF.Article

HOLOGRAPHIC STRAIN ANALYSIS. = ANALYSE HOLOGRAPHIQUE DES DEFORMATIONSVELZEL CHF.1975; PHILIPS TECH. REV.; NETHERL.; DA. 1975; VOL. 35; NO 2-3; PP. 53-64; BIBL. 14 REF.Article

INTERMODULATION AND MOIRE EFFECTS IN OPTICAL VIDEO RECORDING.DE HAAN MR; VELZEL CHF.1977; PHILIPS RES. REP.; NETHERL.; DA. 1977; VOL. 32; NO 5-6; PP. 436-459; BIBL. 11 REF.Article