Mehmet Tumay, Ilyas Eker, Vedat Kasli Ergun Ercelebi and M. Ugur Unver
Journal of Applied Sciences 2 ( 4 ): 502 - 517 , 2002
Ilyas Eker, Fahrettin Gogus and Mehmet Tumay
Journal of Applied Sciences 2 ( 6 ): 694 - 697 , 2002
Ilyas Eker, Mehmet Tumay, Tolgay Kara and Michael J. Grimble
Journal of Applied Sciences 2 ( 6 ): 702 - 709 , 2002