00269nam a2200109Ia 4500008004100000040001100041100001600052245003300068260003700101300001200138300000900150251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJ.C Kendrew 0aJournal of Molecular Biology  c1972bAcademic Press IncaLondon  aP.1-744  bV.75