00485nam a2200181Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 978-1-4419-5789-4 IIA Library 523.64 SCH Schmude, Richard 34633 Comets and how to observe them Richard Schmude New York Springer 2010 xii, 254p. Astronomers' observing guides Comets 755 BK 18130 18130 0 0 0 0 BAN HOS GEN 2011-09-14 BBI 2323.00 0 523.64/ SCH 19052 2021-11-05 2323.00 2011-09-14 BK Rs. 2323.00