000 00303 a2200121 4500
080 _a535.82
_bB 436 T
245 1 _aTheory of the microscope
_cby J.R. Benford
260 _aNew York
_bBausch & Lomb Optical
_c1951
650 _aMicroscope
100 1 _aBenford, J.R.
_d
300 _a20 p.
901 _a181041
999 _c66868
_d66868