Libri di aeronautics in forestry

4 libri in questo genere

Seed distribution in the swath from helicopter sowing

George C. Edmunson

Redmond Air Center

United States. Forest Service. Pacific Northwest Region

Trends in airborne equipment for agriculture and other areas

Techno-economic Trends in Airborne Equipment for Agriculture and other Selected Areas of the National Economy (Conference) (1978 Warsaw)

L'aérostation scientifique

Éric Faure