Selection and propagation of highly graft-compatible Douglas-fir rootstocks, a case history /
Donald L. Copes.

APA Citation

Copes, D. L., Pacific Northwest Forest and Range Experiment Station (Portland, O. (1981). Selection and propagation of highly graft-compatible Douglas-fir rootstocks, a case history. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

MLA Citation

Copes, Donald L, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland. Selection And Propagation of Highly Graft-compatible Douglas-fir Rootstocks, a Case History. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981.