Yazar
Robert Jay Marty
9 cilt bulundu.
Robert Jay Marty · Northeastern Forest Experiment Station, Forest Service, U. S. Dept. of Agriculture
Sayfa sayısı yok · 1965
Blister rust / Economic aspects / Control
Robert Jay Marty · U. S. Forest Service
105 sayfa · 1967
Tables / Forestry / Compound interest / Forests and forestry
Robert Jay Marty · U.S. Forest Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
103 sayfa · 1966
Tables / Forestry / Compound interest / Forests and forestry
Robert Jay Marty · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
56 sayfa · 1964
Control / White-pine weevil
Robert Jay Marty · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
11 sayfa · 1981
Cost effectiveness / Economic aspects / Economic aspects of Forests and forestry / Fire prevention / Forests and forestry
Robert Jay Marty · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
15 sayfa · 1967
Forests and forestry
Robert Jay Marty · U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
27 sayfa · 1984
Spruce budworm / Control
Robert Jay Marty · U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
27 sayfa · 1984
Spruce budworm / Control
Robert Jay Marty · U.S. Dept. of Agriculture, Forest Service, Northeastern Station
10 sayfa · 1984
Spruce budworm / Control / Cost effectiveness / Programmable calculators