000 00333nam a22000977a 4500
008 230825b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aPhotographic science & engg.
260 _aWashington, D. C.:
_bSociety of Photographic Scientists and Engineers,
942 _2udc
_cCR
999 _c59697
_d59697