00593nam a2200193Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 1-85233-055-4 IIA Library 12:21.0 RAT Ratledge, David 24072 Software and data for practical astronomers the best of the Internet David Ratledge London Springer-Verlag 1999 viii, 183p. Practical astronomy Astronomy 80 Internet 19716 BK 13702 13702 0 0 0 0 BAN BAN GEN 2000-09-07 GANESH 1753.80 0 52:681.31/ RAT 14621 2021-11-05 1753.80 2000-09-07 BK Rs. 1753.80