DEMIRCAN, O. And SELAM, S. O. 1993. LONG-TERM BEHAVIOR OF THE ORBITAL PERIOD OF ALGOL-TYPE BINARY ST PERSEI. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.98, no.3 , 513-521.

DEMIRCAN, O., & SELAM, S. O., (1993). LONG-TERM BEHAVIOR OF THE ORBITAL PERIOD OF ALGOL-TYPE BINARY ST PERSEI. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.98, no.3, 513-521.

DEMIRCAN, O, And SELİM OSMAN SELAM. "LONG-TERM BEHAVIOR OF THE ORBITAL PERIOD OF ALGOL-TYPE BINARY ST PERSEI," ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.98, no.3, 513-521, 1993

DEMIRCAN, O And SELAM, SELİM O. . "LONG-TERM BEHAVIOR OF THE ORBITAL PERIOD OF ALGOL-TYPE BINARY ST PERSEI." ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.98, no.3, pp.513-521, 1993

DEMIRCAN, O. And SELAM, S. O. (1993) . "LONG-TERM BEHAVIOR OF THE ORBITAL PERIOD OF ALGOL-TYPE BINARY ST PERSEI." ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.98, no.3, pp.513-521.

@article{article, author={O DEMIRCAN And author={SELİM OSMAN SELAM}, title={LONG-TERM BEHAVIOR OF THE ORBITAL PERIOD OF ALGOL-TYPE BINARY ST PERSEI}, journal={ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES}, year=1993, pages={513-521} }