1. Economic concentration in agricultural magazine publishing: 1993-2002 Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Stuhlfaut, Mark W. (author) Format: Journal article Publication Date: 2005 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 142,183 Document Number: C21846 Journal Title: Journal of Media Economics Journal Title Details: 18(1) : 21-33