000			00399nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a515.15 _bKOC-P
100			_aKochumman, C
245		0	_aPragathakalanam
260			_bState Institute of Languages _aThiruvananthapuram _c1975
300			_a296p.
630			_xGeneral Stack
650			_aNatural Science _xMathematics _vGeneralia
942			_cBOOK
999			_c63787 _d63787