00357nam a2200109Ia 4500008004100000082001700041100002100058245008100079260005300160300001000213650002400223140113s9999    xx            000 0 und d  a578.682 L5.5  a"Hayat, M. Arif"  aPrinciples and techniques of electron microscopy:biological applications v.5  b"New york : Van nostrand reinhold company, 1975"  a249p.  aElectron microscopy