00367nam a2200145Ia 4500008004100000082001400041100002100055245003300076250000600109260005000115300000800165650001800173650001800191653001200209170901s1971    xx            000 0 und d  a574bW60M  aWinchester, A.M. 0aModern Biological Principles  a2  aNew YorkbVan Nostrand Reinhold Companyc1971  a535  aLife sciences  aPure Sciences  aBiology