000			00301nam a2200097Ia 4500
100			_aBigelow W C
245			_aVaccum Methods In Electron Microscopy : Practical Methods In Electron Microscopy Vol 15
260			_bPortland Press, London
082			_aG:19:(C9B5)/N94.15/B22459
300			_app 492; 24*16
999			_c44933 _d44933