000			00431nam a2200157Ia 4500
005			20240821160154.0
008			240821s9999||||xx |||||||||||||| ||und||
082			_a507 AIY(NAT)
100			_aAiya.S.V.C
245		0	_aSchool science project of india
250			_aNational Council of
260			_aNew Delhi _bNational Council of Educational Research and Training _c1971
300			_a15p.
650			_aScience
942			_cBK
999			_c151400 _d151400