000			00375nam a2200145Ia 4500
005			20240821155134.0
008			240821s9999||||xx |||||||||||||| ||und||
082			_a370.1 KAN
100			_aKannegiesser, H.J.
245		0	_aKnowledge and science
260			_aMelbourne _bThe Macmillan Company of Australia _c1977
300			_aviii,126p
650			_aEducation
942			_cBK
999			_c99316 _d99316