Journal of Applied Sciences 7 ( 2 ): 280 - 284 , 2007
Yalcin Copur and Hannu Makkonen
Journal of Applied Sciences 7 ( 7 ): 1043 - 1047 , 2007
Mehmet Akgul, Yalcin Copur, Cengiz Guler, Ayhan Tozluoglu and Umit Buyuksari
Journal of Applied Sciences 7 ( 7 ): 1085 - 1087 , 2007
Cengiz Guler, Yalcin Copur, Mehmet Akgul and Umit Buyuksari
Journal of Applied Sciences 7 ( 5 ): 755 - 758 , 2007