F. Ahmet Ayaz, Huseyin Inceer and Sema Hayirlogliu-Ayaz
Pakistan Journal of Biological Sciences 2 ( 4 ): 1139 - 1142 , 1999
Huseyin Inceer, Osman Beyazoglu and H. Aytekin Ergul
Pakistan Journal of Biological Sciences 3 ( 3 ): 376 - 377 , 2000