THE NON-EXISTENCE OF THE OORT COMETARY SHELL.LYTTLETON RA.1974; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1974; VOL. 31; NO 2; PP. 385-401; BIBL. 17 REF.Article

PALEOMAGNETIC DATA AND THE CONTRACTION OF THE EARTHLYTTLETON RA.1978; MOON AND PLANETS; NLD; DA. 1978; VOL. 19; NO 1; PP. 101-104; BIBL. 14 REF.Article

EFFECT OF SOLAR RADIATION ON A SWARM OF METEORIC PARTICLESLYTTLETON RA.1980; MOON AND PLANETS; NLD; DA. 1980; VOL. 23; NO 1; PP. 27-39; BIBL. 6 REF.Article

HISTORY OF THE MASS OF MERCURYLYTTLETON RA.1980; QUART. J.R. ASTRON. SOC.; ISSN 0035-8738; GBR; DA. 1980; VOL. 21; NO 4; PP. 400-413; BIBL. 30 REF.Article

EFFECTS OF SOLAR RADIATION ON THE ORBITS OF SMALL PARTICLES.LYTTLETON RA.1976; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1976; VOL. 44; NO 1; PP. 119-140; BIBL. 11 REF.Article

RELATION OF A CONTRACTING EARTH TO THE APPARENT ACCELERATIONS OF THE SUN AND MOON.LYTTLETON RA.1976; MOON; NETHERL.; DA. 1976; VOL. 16; NO 1; PP. 41-58; BIBL. 28 REF.Article

DEVELOPMENT OF A COMET AS ITS PURSUES ITS ORBIT.LYTTLETON RA.1975; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1975; VOL. 34; NO 2; PP. 491-510; BIBL. 12 REF.Article

TIDAL-FRICTION THEORY OF THE EARTH-MOON SYSTEMLYTTLETON RA.1980; MOON AND PLANETS; NLD; DA. 1980; VOL. 22; NO 1; PP. 13-23; BIBL. 14 REF.Article

WHAT IS A COMETARY NUCLEUS.LYTTLETON RA.1977; QUART. J. R. ASTR. SOC.; G.B.; DA. 1977; VOL. 18; NO 2; PP. 213-233; H.T. 5; BIBL. 8 REF.Article

THE END OF THE IRON-CORE AGELYTTLETON RA.1973; MOON; NETHERL.; DA. 1973; VOL. 7; NO 3-4; PP. 422-439; BIBL. 19REF.Serial Issue

ON THE ORIGIN OF TEKTITES.LYTTLETON RA.1968; GEOPHYS. J., G.B; GBR; 1968(6), VOL. 15, P. 191 A 204Miscellaneous

ON THE ACCELERATIONS OF THE MOON AND SUN, THE CONSTANT OF GRAVITATION, AND THE ORIGIN OF MOUNTAINS.LYTTLETON RA; FITCH JP.1978; MOON AND PLANETS; NETHERL.; DA. 1978; VOL. 18; NO 2; PP. 223-240; BIBL. 19 REF.Article

ON THE APPARENT SECULAR ACCELERATIONS OF THE MOON AND THE SUNLYTTLETON RA; FITCH JP.1980; MOON AND PLANETS; NLD; DA. 1980; VOL. 22; NO 1; PP. 99-102; BIBL. 10 REF.Article

EFFECT OF A CHANGING G ON THE MOMENT OF INERTIA OF THE EARTH.LYTTLETON RA; FITCH JP.1978; ASTROPHYS. J.; U.S.A.; DA. 1978; VOL. 221; NO 2 PART. 1; PP. 412-413; BIBL. 5 REF.Article