00314nam a2200109Ia 4500008004100000040001100041100002000052245002700072260007800099300001700177300001000194251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aKarl F. Heumann 0aFederation Proceedings  c1980bFederation of American Societies For Experimental BiologyaBethesda  aP. 2345-2708  bV. 39