Spaccini, R., Mazzei, P., Squartini, A., Giannattasio, M., & Piccolo, A.. (2012).
Molecular properties of a fermented manure preparation used as a field spray in biodynamic agriculture.
Environmental Science and Pollution Research,
19, 4214-4225. Retrieved from
https://www.biodynamics.com/files/Env%20Sci%20Poll%20Res%202012-Spaccini%20DOI.pdf