Jack H. Gakstatter / Marvin O. Allum / James M. Omernik / Corvallis Environmental Research Laboratory / United States. Environmental Protection Agency. Office of Research and Development

OCLC:5897549

Eutrophication

Jack H. Gakstatter / Thomas E. Maloney / Frederick B. Lotspeich / Corvallis Environmental Research Laboratory

OCLC:17823379

Ecology

James D. Hall / Ned J. Knight

OCLC:1039809973

Environmental impact analysis

Jack H. Gakstatter / Thomas E. Maloney / United States. Environmental Protection Agency / National Environmental Research Center (Corvallis, Or.)

OCLC:17103588

Phosphorus

Jack H. Gakstatter / Albert Katko / Environmental Research Laboratory (Duluth, Minn.)

OCLC:778505054

Lakes