00375nam a22001217a 4500008004100000040005500041080001600096100002400112245005000136260003800186300001100224650001800235230331b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 771.5bK5  aGorokhovskii, Yu N   aSpectral studies of the photographic process   aLondon: bThe Focal Press, c1960  a357p.   aPhotographic