Sablani, S. S., Andrews, P. K., Davies, N. M., Walters, T., Saez, H., Syamaladevi, R. M., and Mohekar, P. R. 2010. Journal of the Science of Food and Agriculture 90: 769-778
Study by Jennifer Reeve as part of MS degree, WSU Crops & Soils. Examined the effect of biodynamic preparations on wine grape, soil, and compost quality. Major professor Dr. John Reganold.