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1by Patterson, Richard J.“...Information series (Michigan State University. Agricultural Engineering Department) ;...”
Published 1974
Microform Book -
2by Maddex, Robert L.“...Agricultural engineering facts (Michigan State University. Cooperative Extension Service) ;...”
Published 1974
Microform Book -
3by Maddex, Robert L.“...MSU AG facts / Cooperative Extension Service, Michigan State University ;...”
Published 1974
Microform Book -
4