Ontwikkeling modelinstrumentarium[Development of model instrumentation] Dassen, T. Kloosterman, H. 2002 P01 ARTIFICIAL LIGHT POLLUTION MEASUREMENT DATA COLLECTION INSTRUMENTATION http://www.lichtvervuiling.nl/samenwerkenaanduisternis.doc p. 25-27 internet nl Library Wageningen University and Research Centre, Postbus 9100, 6703 BK Wageningen ub.library@wur.nl http://library.wur.nl/desktop/ 1699428 Kloosterman, H. (ed.) Workshop samen werken aan duisternis, Planetarium Gaasperplas te Amsterdam, 29 november 2001. Expertisecentrum LNV : Ede, 2002. - 59 p.(Rapport EC-LNV; no. nr. 2002/092) Lichthinder: "Als we niets doen, verdwijnt de nacht"[Light pollution: "If we don't do anything, night will disappear"] Schreuder, D. Kloosterman, H. 2002 P01 ARTIFICIAL LIGHT POLLUTION http://www.lichtvervuiling.nl/samenwerkenaanduisternis.doc p. 17-24 internet nl Library Wageningen University and Research Centre, Postbus 9100, 6703 BK Wageningen ub.library@wur.nl http://library.wur.nl/desktop/ 1699423 Kloosterman, H. (ed.) Workshop samen werken aan duisternis, Planetarium Gaasperplas te Amsterdam, 29 november 2001. Expertisecentrum LNV : Ede, 2002. - 59 p.(Rapport EC-LNV; no. nr. 2002/092) Farming economically and the consolidation of low-external input agriculture in Friesland (The Netherlands) Ploeg, J.D. van der Renting, H. Ploeg, J.D. van der 2002 E10 FARMING DAIRY FARMING LOW INPUT AGRICULTURE FARM INPUTS SUSTAINABILITY PRODUCTION ECONOMICS p. 160-161 paper en Library Wageningen University and Research Centre, Postbus 9100, 6703 BK Wageningen ub.library@wur.nl http://library.wur.nl/desktop/ 1699415 Ploeg, J.D. van der (ed.)Living countrysides : rural development processes in Europe: the state of the art. Elsevier : Doetinchem, 2002. - 231 p. ISBN 9054391170