BAYRAK, H. 2002. On the dual designs. Hacettepe Bulletin of Natural ScienceEngineering , vol.31 , 53-56.

BAYRAK, H., (2002). On the dual designs. Hacettepe Bulletin of Natural ScienceEngineering , vol.31, 53-56.

BAYRAK, HÜLYA. "On the dual designs," Hacettepe Bulletin of Natural ScienceEngineering , vol.31, 53-56, 2002

BAYRAK, HÜLYA. "On the dual designs." Hacettepe Bulletin of Natural ScienceEngineering , vol.31, pp.53-56, 2002

BAYRAK, H. (2002) . "On the dual designs." Hacettepe Bulletin of Natural ScienceEngineering , vol.31, pp.53-56.

@article{article, author={HÜLYA BAYRAK}, title={On the dual designs}, journal={Hacettepe Bulletin of Natural ScienceEngineering}, year=2002, pages={53-56} }