Lavisci, P., A. Scalbert, D. Masson, et al. "Quality of Turkey Oak (Quercus cerris L.) Wood. I. Soluble and Insoluble Proanthocyanidins" Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Wood, 45.4 (2009): 291-296. Retrieved 24 May. 2013, from doi:10.1515/hfsg.1991.45.4.291

Lavisci, P., Scalbert, A., Masson, D., et al. (2009). Quality of Turkey Oak (Quercus cerris L.) Wood. I. Soluble and Insoluble Proanthocyanidins. Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Wood, 45(4), pp. 239-316. Retrieved 24 May. 2013, from doi:10.1515/hfsg.1991.45.4.291

Lavisci, P., A. Scalbert, D. Masson, et al. 2009. Quality of Turkey Oak (Quercus cerris L.) Wood. I. Soluble and Insoluble Proanthocyanidins. Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Wood. 45(4): 239-316. Retrieved 24 May. 2013, from doi:10.1515/hfsg.1991.45.4.291