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  1. Investigations in the sulfuring of fruits for drying /
    By: Long, J. D. (James Dewey), - Fisher, Charles D. (Charles Dar), - Mrak, E. M. (Emil Marcel),
    Publication info: Berkeley, Cal. :Agricultural Experiment Station,1940.
    Contributed by: University of California, Davis Libraries (archive.org)
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  2. Methods and equipment for the sun-drying of fruits /
    By: Mrak, E. M. (Emil Marcel), - Long, J. D. (James Dewey),
    Publication info: Berkeley, Calif. :University of California, College of Agriculture, Agricultural Experiment Station,1941.
    Contributed by: University of California, Davis Libraries (archive.org)
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  3. Sulfur-house operation /
    By: Phaff, Herman. - Mrak, E. M. (Emil Marcel),
    Publication info: Berkeley, Calif. :University of California, College of Agriculture, Agricultural Experiment Station,1948.
    Contributed by: University of California, Davis Libraries (archive.org)
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  4. Sun-drying fruits /
    By: Mrak, E. M. (Emil Marcel), - Phaff, Herman.
    Publication info: Berkeley, Calif. :University of California, College of Agriculture, Agricultural Experiment Station,1949.
    Contributed by: University of California, Davis Libraries (archive.org)
    View Book