Figueiredo, Tomás deFonseca, Felícia2011-03-212011-03-212009Figueiredo T.; Fonseca, F. (2009). Soil conservation measures: classification and description. In Evelpidou, N. ; Figueiredo, T. de (eds.) Soil Protection in Sloping Mediterranean Agri-Environments: Lectures and exercises. Bragança: Instituto Politécnico. p. 77-85. ISBN 978-972-745-107-4978-972-745-107-4http://hdl.handle.net/10198/3683Before going into the detail of Soil Conservation Measures, some preliminary questions must be considered, for sake of clarity either in formal terms or in the substantial ones, which, actually, justify the extent and in-depth approach to such topic.engbook part