000 00279nam a2200121Ia 4500
100 _aDhar, Sudhir Kumar
020 _a0.210.40559.7
942 _cBK
245 _aAstrophysical enigmas
260 _aAsia Publishing House, New York
_c1974
082 _a523.01 Dha
300 _axii,64
999 _c3310
_d3310