00641nam a2200217 a 4500 51767 BD-RjUL 20211209075717.0 160903r19531946enkadf b 000 0 eng (BD-RjUL)51887 BD-RjUL DLC eng BD-RjUL eng 23 520 BET 1953 Beet, E. A. (Ernest Agar) 154850 A text book of elementary astronomy, by Ernest Agar Beet ... Cambridge : The University press, 1953. x, 110 p. : ill. ; 19 cm. Includes Index and Bibliography Astronomy. 154851 ddc BK 51767 51767 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1955-09-08 B.H.Black well 105.00 0 520 BET 1953 2016-09-03 00:00:00 C-2 2016-09-03 BK