Title: Public health engineering : a textbook of the principles of environmental sanitation /
Authors: Phelps, Earle B. 1876-1953; Pratt, Harry D.; Velz, Clarence J.; Tiedeman, Walter D.
Publisher: J. Wiley & Sons ; Chapman & Hall,
Year: 1948
Subjects: Public health; Sanitation.; Sanitary engineering.; Sanitary Engineering; Sanitation
Contents: v.1., pt.1, The air contact, with a chapter on insects and insect control / by Harry D. Pratt. pt. 2, The water contact / in collaboration with Clarence J. Velz -- v.2., pt.3, The food contact / in collaboration with Walter D. Tiedeman.