00291nam a2200121Ia 4500008004100000082001400041100001700055245002200072260003800094300001300132942000700145999001700152190709s9999    xx            000 0 und d  a500 B255N  aBarnard, J D 0aNew basic science  aNew YorkbMacmillan Companyc1951  aviii,632  cBK  c38530d38530