Gokce, R., A. Akdogan, U. Divriklib, and L. Elci. “Simultatenous Determination of Diacetyl and Acetoin in Traditional Turkish Butter Stored in sheep’s Rumen (Karinyagi)”. Grasas Y Aceites, vol. 65, no. 1, Mar. 2014, p. e010, doi:10.3989/gya.074113.