Water quality
Perry, James
Water quality management of a natural resource - Canada Blackwell publishing 1996 - xiii,639p. 26cm
0865424691
Water quality management-government policy
Water rights
Water quality management-social aspects
333.91 / PER
Water quality management of a natural resource - Canada Blackwell publishing 1996 - xiii,639p. 26cm
0865424691
Water quality management-government policy
Water rights
Water quality management-social aspects
333.91 / PER
