00346nam a2200109Ia 4500008004100000040001100041100001900052245008400071260005900155300001300214300000900227251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJohn T. Edsall 0aProceedings of the National Academy Of Sciences of the United States of America  cMarch14, 1983bThe National Academy of SciencesaU.S.A  aP. 1-314  bV.32