000			00549nam a2200181Ia 4500
008			170706s9999 xx 000 0 und d
040			_aCNCI LIBRARY
041			_aEnglish
082			_a539.7222 _bEh81
100			_aEhrlich, Margaret
245			_aPhotographic Dosimetry of X- and Gamma Rays _cMargaret Ehrlich
260			_aWashington _bNational Bureau Standards Handbook 57 _c1954
300			_aiv, 28p.; ill.
500			_aIncludes bibliographical references
650			_aGammarays Photographic Dosimetry
650			_aX-Rays
942			_cBKO
999			_c8199 _d8199