000			00327nam a2200121Ia 4500
005			20260205095209.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a371 B255U
100			_aBarnard, J. Darrell.
245		2	_aA unified program in science, health and safety
260			_aNew York _bMacmillan _c1959
942			_cBK
999			_c206371 _d206371