000			00378nam a2200133Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a552.6 _bPON-A
100			_aPonkunnam Varkey,
245		0	_aAlthara
260			_bNATIONAL BOOKSTALL _aKottayam _c1978
630			_xGENERAL STACK
650			_aNATURAL SCIENCE& MATHEMATICS _vEARTH SCIENCE _xPETROLOGYGeneralia
942			_cBOOK
999			_c70986 _d70986