Bettinger, Pete, 1962- Key issues and future directions of mechanized harvesting : discussions and guidance from working groups / by Pete Bettinger, Loren D. Kellogg, Eldon D. Olsen. -- Corvallis : Oregon State University, 1993. -- 8 s. : 3 obr. ; 28 cm. -- (Research Contribution ; 5). -- Obalový názov. -- (brož.) : 50.00 Sk

I. Kellogg, Loren D.
II. Olsen, Eldon D.

630*32/*369+630*36+061.3
ZV001