@misc{6d7d01f3be684a878c617d22c733ad59,
title = "Geo - information for the environmentally sound management of natural resources : an UNESCO - ITC project : training course on GIS for resource management : October 1991",
keywords = "ADLIB-ART-3929, NRS",
author = "A.G. Toxopeus",
year = "1991",
language = "English",
series = "ITC project : working document",
publisher = "International Institute for Geo-Information Science and Earth Observation",
number = "3",
address = "Netherlands",
type = "Other",
}