Remote sensing application in agriculture and hydrology. Proceedings of a seminar held at the Joint Research Centre of the Commission of the European Communities in the framework of the Ispra Courses, Ispra (Italy) 21 Nov - 2 Dec 1977

agricultura agriculture cartografia cartographie cartography ciencias forestales communication technology data collection foresterie forestry hidrologia hydrologie hydrology land use photointerpretation radar remote sensing technique de communication utilisation des terres