Yazar
imre e bella
15 cilt bulundu.
D. E. Tait, Chris J. Cieszewski, Imre E. Bella, University of British Columbia. Forest Economics and Policy Analysis Research Unit · Forest Economics and Policy Analysis Research Unit, University of British Columbia
30 sayfa · 1988
Forest management
K. J. Turnbull, L. V. Pienaar, Imre E. Bella, Pacific Northwest Forest and Range Experiment Station (Portland, Or.). Forest Engineering Laboratory, University of Washington. College of Forestry, United States. Forest Service. Alaska Region · Yayınevi bilinmiyor
40 sayfa · 1965
Forests and forestry
Imre E. Bella, J. P. De Franceschi, Northern Forest Research Centre (Canada) · edmonton : northern forest research centre
20 sayfa · 1977
Forest thinning
Richard C. Yang, Imre E. Bella, Northern Forestry Centre (Canada) · Yayınevi bilinmiyor
4 sayfa · 1986
Kategori yok
Stan Navratil, Imre E. Bella, Poplar Council of Canada. Meeting · Yayınevi bilinmiyor
19 sayfa · 1988*
Aspen
Imre E. Bella, DeFranceschi, J. P, Northern Forest Research Centre (Canada) · edmonton : canadian forestry service
24 sayfa · 1978
Forest regeneration
Imre E. Bella, J. P. DeFranceschi, Canadian Forestry Service · Service canadien des forêts
28 sayfa · 1977
Jack pine