000 00209 a2200097 4500
001 60022
100 _a
245 _aModern Astronomy
260 _aSan Francise
_bHolden
_c1973
090 _c36841
_d36841
942 _aNUST-CAE
_cMONOGRAPH
_c29826
999 _c295095
_d295095