00425nam 2206268 45000010005000000030023000050050009000280080041000370200014000781000037000922600060001293000020001892450084002096268StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a0027-8424 aThe National Academy of Sciences bWashington,D.C: The National Academy of Sciences c1994 ai;x -5735-6132p aProceedings of the National Academy of Sciences of the United States of America