1. Binding constraints in Castile-La Mancha, Spain's cereal-sheep system Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Caballero, Rafael (author) and Gil, Angel (author) Format: Journal article Publication Date: 2009 Published: Spain Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 183 Document Number: C37245 Journal Title: Journal of Sustainable Agriculture Journal Title Details: 33(3) : 3-27