1. Biological and Agricultural Engineering Dept.; Kansas State University; 920 N 17th St., 1042 Seaton Hall Manhattan KS 66506
2. South Dakota State University, Agricultural and Biosystems Engineering; SAE 123 Brookings SD 57007
3. South Dakota State University, Agronomy, Horticulture, and Plant Science; SAG 214 Brookings SD 57007
4. University of Nebraska - Lincoln; 204 L. W. Chase Hall Lincoln NE 68583-0726