00293nam a2200109Ia 4500008004100000040001100041100002100052245003200073260005500105300001300160300001000173251112s9999||||xx |||||||||||||| ||und|| aCNCLSA aLawrence Bogorad 4aThe Journal of Cell Biology cJuly, 1969bRockefeller University PressaNew York aP. 1-875 bV. 42