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a r townshend
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"The Cleanosaurus"
A. R. Townshend · Water Pollution Control Directorate, Enviornmental Protection Service
25 sayfa · 1974
Kategori yok
Demonstration of the "CABOS" wastewater treatment system for vessels (1975-77)
A. R. Townshend · Fisheries and Environment Canada, Environmental Protection Service, Water Pollution Control Directorate
51 sayfa · 1977
Kategori yok
Cold climate sewage lagoons
A. R. Townshend · Environment Canada
159 sayfa · 1987
Cold weather conditions / Congresses / Sewage lagoons / Sewage / Purification
Appropriate wastewater management technologies for rural areas under adverse conditions
D. H. Waller, A. R. Townshend · Tech Press, in collaboration with the Centre for Water Resources Studies
372 sayfa · 1987
Congresses / Factory and trade waste