00297nam a2200097Ia 4500008004100000082001500041100002100056245007800077260003600155300000800191140113s9999    xx            000 0 und d  a578.6   J8  a"Baker, John.R."  aPrinciples of Biological mincrotechnique : A study of fixation and dyeing  a1958bMethuen & CoffcAmsterdam  a357