Studies of methods for the treatment and disposal of sewage / made under the supervision of Earle B. Phelps. The treatment of sewage from single houses and small communities / by Leslie C. Frank and C. P. Rhynus.

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Frank, Leslie C.

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Studies of methods for the treatment and disposal of sewage / made under the supervision of Earle B. Phelps. The treatment of sewage from single houses and small communities / by Leslie C. Frank and C. P. Rhynus.