00270nam a2200109Ia 4500008004100000040001100041100001800052245003300070260003500103300001300138300000900151251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJ. C. Kendrew 0aJournal of Molecular Biology  c1960bAcademic PressaNew York  aP. 1-456  bV. 2