DIURNAL VARIATION OF SURFACE REFRACTIVITY OVER INDIAVENKITESHWARAN SP; NARAYANAN VS.1972; J. SCI. INDUSTR. RES.; INDIA; DA. 1972; VOL. 31; NO 3; PP. 116-144; BIBL. 14 REF.Serial Issue

DIURNAL VARIATION OF THE EFFECTIVE EARTH'S RADIUS FACTOR (K) OVER INDIA AND ITS INFLUENCE ON MICROWAVE PROPAGATION = VARIATION DIURNE DU FACTEUR RAYON DE LA TERRE EFFECTIF (K) AU-DESSUS DE L'INDE ET SON INFLUENCE SUR LA PROPAGATION DES MICROONDES (K) (FIN)VENKITESHWARAN SP; NARAYANAN VS; CHAUHAN RS et al.1972; J. INSTIT. TELECOMMUNIC. ENGRS; INDIA; DA. 1972; VOL. 18; NO 7; PP. 305-312; BIBL. 4 REF.Serial Issue