Smardon, Richard C.; Pease, James R. (James Robert); Donheffner, Paul E.; United States. Federal Extension Service; Oregon State University. Extension Service(Corvallis, Or. : Oregon State University Extension Service, 1976)
Pfister, Robert E.; Donheffner, Paul E.; Hartsook, Thomas Edward.; Oregon. State Marine Board(Corvallis : Water Resources Research Institute, [Oregon State University]., 1976-04)
