000 00274nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aMallik, D N
245 0 _aElements of Astronomy
260 _bCambridge University Press
_aLondon
_c1921
650 _aAstronomy
942 _cBK
999 _c9282
_d9282