000			00281nam a2200121Ia 4500
008			190829s9999||||xx |||||||||||||| ||und||
100			_aSpangenburg, Ray
245		0	_aHistory of Science
250			_a1st Ed.
260			_bNational Book Stall _c1972
300			_a201
942			_cBK
999			_c36956 _d36956