Semiha Cecen, Fehmi Gurel and Ayse Karaca
Acta Agriculture Scandinavica Section B-Soil & Plant Science 58 ( 1 ): 77 - 81 , 2008
Fehmi GUREL and Ayhan GOSTERiT
Turkish Journal of Veterinary and Animal Sciences 32 ( 3 ): 145 - 149 , 2008