000			00399nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a510 _bKOC-P
100			_aKochumman, C
245		0	_aPragath Kalanam
260			_bNATIONAL BOOKSTALL _aKottayam _c1974
300			_a468p.
630			_xgeneral stack
650			_ascience _vnatural science and mathematics _xmathematicsGeneralia
942			_cBOOK
999			_c87980 _d87980