Yazar
Julius Valentine Hofmann
3 cilt bulundu.
Cilt sonuçları
The importance of seed characteristics in the natural reproduction of coniferous forests
Julius Valentine Hofmann · University of Minnesota
25 sayfa · 1918
Conifers / Seeds / Forests and forestry
Relative humidity and forest fires
Julius Valentine Hofmann · U.S. Dept. of Agriculture, Forest Service
11 sayfa · 1923
Forest fires / Forest fire forecasting / Observations / Prevention and control / Humidity