1. Risks from an "unknown technology:" how Iowans perceive agricultural sludge Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Peterson, Jane W. (author) and Rodriguez, Lulu (author) Format: Journal article Publication Date: 1999 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 117 Document Number: C12943 Journal Title: Journal of Environmental Education Journal Title Details: 30(3) : 37-42