A Publication of the Deutsches Zentrum fï¿½r Entwicklungstechnologien - GATE, a Division of the Deutsche Gesellschaft fï¿½r Technische Zusammenarbeit (GTZ) GmbH - 1991
NOTE 1: The technical details were provided by the producers. GATE is not in a position to verify these data and therefore cannot accept responsability for any inaccuracies. In cases where prices have been quoted, these are subject to change and are thus meant to serve only as guidelines valid for 1991.
NOTE 2: from the cd-rom library editors: if you perform a search on "Soil" in other sections or documents in this cd-rom, you will find articles, books or information that may usefully complement or update the information contained herein.