000			00350nam a2200145 4500
008			160616s 000 0
245			_aNatural philosopher
100			_aGershenson, Daniel E
100			_aGreenberg, Daniel A
500			_aCv K3.1-3.3
942			_cBK _2BK10418
080			_a53(09) GER
080			_a53(09) GER
080			_a53(09) GER
999			_c10418 _d10418