The photographic emulsion /
Carroll, Burt Haring,1896-
Hubbard, Donald,1900-
Kretchman, Charles Monroe,1912-
London : Focal P.,
1968.
'...Reproduced facsimile from the original papers published between 1928 and 1934 by the National Bureau of Standards at the United States Department of Commerce as reprints from the "Bureau of Standards Journal of Research". - Introduction.
Includes index.
Photographic emulsions.