00348nam 2208111 45000010005000000030023000050050009000280080041000370820008000781000020000862600034001065000020001403000015001602450029001758111StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a500 aJames B. Conant bNew York: Amentor Book c1959 aIt is not Found a144p: 16cm aOn Understanding Science