Stef Lavina and Julean Călin and Drinceanu Dan and Nicula Maria and Fota Dragos and Ştef Ducu Sandu and Pet Ioan: Effects of some feed additives on bioproductive and biochemical indices of blood serum in broilers. In: Agrár- és vidékfejlesztési szemle, (6) 1. pp. 398-403. (2011)
Julean Călin: Model setting of the micromineral supplementation values in the light breed avian youth raised in organic system. In: Agrár- és vidékfejlesztési szemle, (5) 2. p. 113. (2010)