Newman, P. J.
Classification of surface water quality : review of schemes used in EC member states / - Oxford : Heinemann Professional Pub., 1988. - xii, 189 p. : ill. (some col.) ; 31 cm.
043491374X
Water quality management
Water quality
363 HEI 1988 A013 Or.
Classification of surface water quality : review of schemes used in EC member states / - Oxford : Heinemann Professional Pub., 1988. - xii, 189 p. : ill. (some col.) ; 31 cm.
043491374X
Water quality management
Water quality
363 HEI 1988 A013 Or.