00270nam a2200109Ia 4500008004100000040001100041100001800052245003300070260003500103300001200138300001000150251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJ. C. Kendrew 0aJournal of molecular Biology  c1982bAcademic pressaNew York  aP.1-746  bV.158