00668nam a2200205Ia 4500003000900000008004100009020002200050040001600072080001600088100002800104245005200132260002900184300001500213490003400228650001600262650002800278942000700306999001700313952013200330IN-BaIIA211028s9999    xx            000 0 eng d  a978-1-4419-5789-4  cIIA Library  a523.64bSCH  aSchmude, Richard934647 0aComets and how to observe themcRichard Schmude  aNew YorkbSpringerc2010  axii, 254p.  aAstronomer's observing guides  aComets9755  aObserving comets934648  cBK  c18135d18135  00104070aBANbBANcGENd2011-09-20eANJ   g2217.00l0o523.64/ SCHp19057r2021-11-05v2217.00w2011-09-20yBKGRs. 2217.00