TY - BOOK ID - 128519566 TI - Report on training in photo-interpretation of forest areas in tropical countries AU - Boon, D. A. AU - Stellingwerf, Donald A. AU - International institute for aerial survey and earth sciences (ITC) PY - 1967 PB - Delft : ITC, DB - UniCat KW - Aerial photography in forestry KW - Forest surveys KW - Forests and forestry KW - Study and teaching (Higher). KW - Tropics. KW - Tropics. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128519566 AB - ER -