00457nam a2200169Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 12-257950-X IIA Library 521.1 FIT Fitzpatrick, Philip M 7143 Principles of celestial mechanics Philip M. Fitzpatrick New York Academic Press 1970 xvii, 405p. Celestial mechanics BK 4048 4048 0 0 0 0 BAN BAN GEN 1972-10-28 102.66 0 521.1/ FIT 4520 2021-11-05 102.66 1972-10-28 BK Rs. 102.66