000 00273nam a2200121Ia 4500
008 151205s9999||||xx |||||||||||||| ||und||
020 _c0
100 _aDE,K.K,
245 _aELEMENTS OF ASTRONOMY
260 _c1978
_bBOOK SYSNDICATE
650 _aASTRONOMY
942 _cBK
999 _c278897
_d278897