00350nam a2200109Ia 4500008004100000040001100041100001900052245008400071260006100155300001400216300001000230251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJohn T. Edsall 0aProceedings of the National Academy Of Sciences of the United States of America  cSeptember, 1970bThe National Academy of SciencesaU.S.A  aP. 1-1996  bV. 67