Huber, M., Andersen, J. O., Kahl, J., Busscher, N., Doesburg, P., Mergardt, G., et al.. (2010).
Standardization and validation of the visual evaluation of biocrystallizations.
Biological Agriculture and Horticulture,
27, 25-40. Recuperado a partir de
http://www.tandfonline.com/doi/abs/10.1080/01448765.2010.10510428 