under the editorial authorship of Maurice E. Heath, Robert F. Barnes, Darrel S. Metcalfe ; with 107 additional contributing authorsIowa State University Press1985
a 1972 symposium sponsored by the Crop Science Society of America, held in Miami Beach, Florida. Editor: Arthur G. Matches. Editor in chief: R. W. Howell. Managing editor: D. A. Fuccillo. Assistant editor: Laura H. PaskinCrop Science Society of America1973
Under editorial authorship of Maurice E. Heath, Darrel S. Metcalfe [and] Robert F. Barnes, with 93 additional contributing authorsIowa State University Press1973