by Bratton C.A, Voorheis M. (comps.)
Published in A.E. Ext. - Department of Agricultural Economics (1979)

by Bratton, C.A, Voorheis, M
Published in A E Extension - Department of Agricultural Economics, New York State College of Agriculture and Life Sciences (USA) (01.08.1976)

by Bratton, C.A, Voorheis, M
Published in A E Ext Dep Agric Econ N Y State Coll Agric Contract Coll State Univ Cornell Univ (1974)

by Voorheis, Christopher M., Snead, Andrea E., Moroney, William F.
Published in Proceedings of the Human Factors and Ergonomics Society Annual Meeting (01.10.2003)

by Voorheis, Christopher M., Singleton, Heather M., Silvers, Timothy J., Snead, Andrea E., Moroney, William F.
Published in Proceedings of the Human Factors and Ergonomics Society Annual Meeting (01.09.2004)

by Bratton, C.A. (comp.), Voorheis, M. (comp.)
Published in A E Ext Dep Agric Econ N Y State Coll Agric Life Sci Cornell Univ (1976)

by Silvers, Timothy J., Voorheis, Christopher M., Anders, Shilo H.
Published in Proceedings of the Human Factors and Ergonomics Society Annual Meeting (01.09.2004)

by Voorheis, Christopher M., Moroney, William F., Biers, David W., Eggemeier, F. Thomas
Published in Proceedings of the Human Factors and Ergonomics Society Annual Meeting (01.09.2005)