Aquatic invertebrate bioassays. Tekijä Buikema, A.L., Jr

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Buffalo production for small farms.

Aquatic toxicology proceedings of the third annual symposium on aquatic toxicology

Table of contents only

Report of a planning workshop on irrigation water management.

Table of contents only

Tagging of skipjack tuna (Katsuwonus pelamis) in Papua New Guinea waters, 1973-1974 Tekijä Lewis, A. D.

Estuarine water-quality management with moving elements models and optimization techniques Tekijä O'Kane, J. P., 1943-

Aquatic invertebrate bioassays a symposium

Proceedings of the specialty conference on conservation and utilization of water and energy resources

Water supply and sewerage Tekijä Steel, Ernest William

Wastewater engineering treatment disposal reuse