000 00251pam a2200109a 44500
082 _a520.4
_bB39V V.2
100 _aBeer, Arthur
245 1 _aVISTAS IN ASTRONOMY
260 _a
_bPergamon Press
_c1956
964 _gCIRC
997 _a3086 C 3085 v.1 C
999 _c412293
_d412293