Global ETD Search

About
The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

1	Air sanitation the nature and control of air contaminants, including dusts, fumes and smokes; mists and fogs; vapors, gases and odors; pollen, spores and bacteria : a preliminary report on a study of the scope of air sanitation and of contemporary problems in the control of air quality : submitted in partial fulfillment ... Master of Science in Public Health Engineering ... / Witheridge, William N. January 1946 (has links) Thesis (M.S.P.H.)--University of Michigan, 1946. Air Air Pollution Air Pollutants.
2	Air sanitation the nature and control of air contaminants, including dusts, fumes and smokes; mists and fogs; vapors, gases and odors; pollen, spores and bacteria : a preliminary report on a study of the scope of air sanitation and of contemporary problems in the control of air quality : submitted in partial fulfillment ... Master of Science in Public Health Engineering ... / Witheridge, William N. January 1946 (has links) Thesis (M.S.P.H.)--University of Michigan, 1946. Air Air Pollution Air Pollutants.