DULF, F. V., M. L. UNGURESAN, D. C. VODNAR, and C. SOCACIU. “Free and Esterified Sterol Distribution in Four Romanian Vegetable Oil”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 38, no. 2, Sept. 2010, pp. 91-97, doi:10.15835/nbha3824753.