000			00313nam a2200133Ia 4500
008			221122s9999 xx 000 0 und d
082			_a5 K48B
100			_aGovermnemt of Kerala
245		0	_aBasic science
260			_bEducation Department _aKerala _c1986
300			_a135 p.
650			_aScience
942			_cBK
999			_c2340 _d2340