Creator
- Burr, Ronald J.7
- Cook, Gordon Henry7
- Oregon State University. Extension Service7
- Zimmerman, Martin (Martin Joseph)7
- Ruthruff, Joseph Ronald4
- Aerts, Andrea3
- Barry, Kerrie3
- Benoit, Isabelle3
- Binder, Manfred3
- Blanchette, Robert A.3
- Boyd, Alex3
- Carlson, Alexis3
- Copeland, Alex3
- Coutinho, Pedro M.3
- Cullen, Dan3
- de Vries, Ronald P.3
- Eastwood, Daniel C.3
- Ferreira, Patricia3
- Findley, Keisha3
- Floudas, Dimitrios3