Showing 1 - 4 results of 4 for search 'Directo, Leon S.', query time: 0.15s Refine Results
  1. 1
    Two-stage granular activated carbon treatment /
    by Directo, Leon S.
    Published 1978
    Government Document Book
  2. 2
    Effect of pretreatment on the filtration of low turbidity secondary effluent /
    by Directo, Leon S.
    Published 1980
    Government Document Book
  3. 3
    Carbon reactivation by externally-fired rotary kiln furnace /
    by Zhen, Jinglin
    Published 1980
    Other Authors: “...Directo, Leon S....”
    Government Document Book
  4. 4
    Standardized procedure for evaluation of toxic effects on activated sludge /
    by Moulton, Edward Quentin
    Published 1962
    Other Authors: “...Directo, Leon Selloria, 1934-...”
    Book
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