Swartz, Richard Carlyle, 1943-; Schults, Donald W.; DeBen, Waldemar A.; Cole, Faith A.; Oregon State University. Marine Science Center. Marine and Freshwater Ecology Branch; Corvallis Environmental Research Laboratory (Newport, Or. : Marine and Freshwater Ecology Branch, Corvallis Environmental Research Laboratory, Environmental Protection Agency ; Marine Science Center, 1978-09-11)