SELAM, S. O. And Demircan, O. 1999. Cyclic Nature of the Orbital Period Variations of some Algol-type Binaries. Turkish Journal of Physics , vol.23, no.2 , 301-311.

SELAM, S. O., & Demircan, O., (1999). Cyclic Nature of the Orbital Period Variations of some Algol-type Binaries. Turkish Journal of Physics , vol.23, no.2, 301-311.

SELAM, SELİM, And Osman Demircan. "Cyclic Nature of the Orbital Period Variations of some Algol-type Binaries," Turkish Journal of Physics , vol.23, no.2, 301-311, 1999

SELAM, SELİM O. And Demircan, Osman. "Cyclic Nature of the Orbital Period Variations of some Algol-type Binaries." Turkish Journal of Physics , vol.23, no.2, pp.301-311, 1999

SELAM, S. O. And Demircan, O. (1999) . "Cyclic Nature of the Orbital Period Variations of some Algol-type Binaries." Turkish Journal of Physics , vol.23, no.2, pp.301-311.

@article{article, author={SELİM OSMAN SELAM And author={Osman Demircan}, title={Cyclic Nature of the Orbital Period Variations of some Algol-type Binaries}, journal={Turkish Journal of Physics}, year=1999, pages={301-311} }