Baykal, A. 1997. The torque and X-ray flux changes of OAO 1657-415. ASTRONOMY & ASTROPHYSICS , vol.319, no.2 , 515-524.

Baykal, A., (1997). The torque and X-ray flux changes of OAO 1657-415. ASTRONOMY & ASTROPHYSICS , vol.319, no.2, 515-524.

Baykal, ALTAN. "The torque and X-ray flux changes of OAO 1657-415," ASTRONOMY & ASTROPHYSICS , vol.319, no.2, 515-524, 1997

Baykal, ALTAN. "The torque and X-ray flux changes of OAO 1657-415." ASTRONOMY & ASTROPHYSICS , vol.319, no.2, pp.515-524, 1997

Baykal, A. (1997) . "The torque and X-ray flux changes of OAO 1657-415." ASTRONOMY & ASTROPHYSICS , vol.319, no.2, pp.515-524.

@article{article, author={ALTAN BAYKAL}, title={The torque and X-ray flux changes of OAO 1657-415}, journal={ASTRONOMY & ASTROPHYSICS}, year=1997, pages={515-524} }