@book{b7227c1295d44b19a40ddb052ceba8b6,
title = "Nitrogen- and phosphorus, limited primary production of annuals : a case study of semi-natural grazing lands, Dehesas, in southwestern Spain, with implications for their exploitation",
keywords = "ADLIB-BOOK-71, NRS",
author = "P. Esselink and J. Schotel and {van Gils}, H.A.M.J.",
year = "1991",
language = "English",
isbn = "90-6164-072-5",
series = "ITC Publication",
publisher = "International Institute for Geo-Information Science and Earth Observation",
address = "Netherlands",
}