1. Standard Methods for the Examination of Water and Wastewater;American Public Health Association,1986
2. Countercurrent peat filtration of wastewater;Asplund,1978
3. Peat moss: a natural absorbent for oil spills;D'Hennezel;The Canadian Mining and Metallurgical Bulletin,1972
4. Peat in wastewater treatment;Ekman,1975
5. Guidelines for Effluent Quality and Wastewater Treatment at Federal Establishments;Environment Canada,1976