Gamble, William E. Survival and growth of Douglas-fir seed sources in the Hospital Tract Rangewide Source Archive plantation / by William E. Gamble, W. T. Adams, John C. Tappeiner. -- Corvallis : Oregon State University, 1996. -- 21 s. : 6 obr., 1 tab., tab. v príl. ; 28 cm. -- (Research Contribution ; 12). -- (brož.) : 100.00 Sk

I. Adams, W. T.
II. Tappeiner, John C.

630*174.7+630*232.3
ZV001