000 00275nam a22001097a 4500
020 _a012545550
050 _aMED QH212.E4
_bS64
245 _aSOME BIOLOGICAL TECHNIQUES IN ELECTRON MICROSCOPY
260 _aNEW YORK
_bACADEMIC PRESS
_c1970
300 _aX,186P
_bILL
942 _cBK
999 _c14661
_d14661