- Oregon State University. Extension Service4
- Vanderzanden, Ann Marie, 1966 2
- Bary, Andrew I.1
- Cogger, Craig G.1
- Cramer, T. N.1
- Crawford, G. B.1
- Grusenmeyer, D. C.1
- Royce, Lynn A.1
- Simko, Ben1
- Skyllingstad, Eric D.1
- Smyth, W. D.1
- von Jouanne, Annette1
- Wallace, Alan1