All-out food production : strategy and resource implications Chicago, I., American Society of Agronomy, Martin, W. P., Stelly, M., Kral, D. M., & Eisele, L. C. (1975). Papers of the annual meeting. Wisconsin, Estados Unidos: American Society of Agronomy.

All-out food production : strategy and resource implications Chicago, Illinois, American Society of Agronomy, W. P. Martin, Matthias Stelly, David M. Kral, and Linda C. Eisele. Papers of the Annual Meeting. Wisconsin, Estados Unidos: American Society of Agronomy, 1975.

All-out food production : strategy and resource implications Chicago, Illinois, et al. Papers of the Annual Meeting. Wisconsin, Estados Unidos: American Society of Agronomy, 1975.