00569nam a2200205Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 12-242850-1 IIA Library 535.22 FRO Froome, K. D 6575 The velocity of light and radio waves K. D. Froome and L. Essen London Academic Press 1969 viii,157p. in India distributed by K Krishnamurthy, Madras Light Waves 6576 Waves Essen, L 6577 BK 3704 3704 0 0 0 0 BAN BAN GEN 1971-02-08 29.00 0 535.22/ FRO 4131 2021-11-05 29.00 1971-02-08 BK Rs. 29.00