1. Selecting Water-Pumping Windmills;New Mexico Energy Institute,1978
2. Clark, R. N., A. D. Schneider, V. Nelson, E. Gilmore, and R. E. Barieau. Wind Energy for Irrigation—Wind Assisted Pumping from Wells. Final Report DOE/SEA-7315–20741/81/3. National Technical Information Center. (1981).
3. Wind turbines for irrigation pumping;Clark;Journal of Energy,1981
4. Irrigation pumping with wind energy;Clark;Transactions of the ASAE,1980
5. Landsford, R. R., R. J. Supalla, J. R. Gilley, and D. L. Martin. Economics of Wind Energy for Irrigation Pumping. Final Report DOE/SEA-7315–20741/81/2. National Technical Information Center. (1980).