Aerospace science and agricultural development Detroit, M., American Society of Agronomy., Crop Science Society of America., Soil Science Society of America., & Baumgardner, M. F. (1970). Symposium papers presented at the annual meetings. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

Aerospace science and agricultural development Detroit, Michigan, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, and Marion F. Baumgardner. Symposium Papers Presented At the Annual Meetings. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1970.

Aerospace science and agricultural development Detroit, Michigan, et al. Symposium Papers Presented At the Annual Meetings. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1970.