00576nam a2200205Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 978-0-7503-0917-2 IIA Library 52 ROY Roy, A. E 9627 Astronomy principles and practice A. E. Roy and D. Clarke 4th ed. New Delhi Nutech Photolithopraphers 2011 xxiii, 475p. Astronomy-Principles 34937 Observation techniques 13642 Clarke, D 9628 BK 18253 18253 0 0 0 0 BAN BAN GEN 2012-03-15 SIP 895.00 0 52/ ROY 19175 2021-11-05 895.00 2012-03-15 BK Rs. 895.00