000 00429nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a523.01 B1
100 _a"Basu, Baidyanath "
245 0 _aIntroduction to Astrophysics
260 _aNew Delhi
260 _b Phi Learning Pvt Ltd
260 _c2017
365 _b395
942 _cBK
999 _c117338
_d117338