SAAD, S. Et Al. 2004. Properties and nature of Be stars - XXIII. Long-term variations and physical properties of x Dra. ASTRONOMY & ASTROPHYSICS , vol.419, no.2 , 607-621.

SAAD, S., KUBAT, J., KOUBSKY, P., HARMANEC, P., SKODA, P., KORCAKOVA, D., ... KRTICKA, J.(2004). Properties and nature of Be stars - XXIII. Long-term variations and physical properties of x Dra. ASTRONOMY & ASTROPHYSICS , vol.419, no.2, 607-621.

SAAD, SM Et Al. "Properties and nature of Be stars - XXIII. Long-term variations and physical properties of x Dra," ASTRONOMY & ASTROPHYSICS , vol.419, no.2, 607-621, 2004

SAAD, SM Et Al. "Properties and nature of Be stars - XXIII. Long-term variations and physical properties of x Dra." ASTRONOMY & ASTROPHYSICS , vol.419, no.2, pp.607-621, 2004

SAAD, S. Et Al. (2004) . "Properties and nature of Be stars - XXIII. Long-term variations and physical properties of x Dra." ASTRONOMY & ASTROPHYSICS , vol.419, no.2, pp.607-621.

@article{article, author={SM SAAD Et Al. }, title={Properties and nature of Be stars - XXIII. Long-term variations and physical properties of x Dra}, journal={ASTRONOMY & ASTROPHYSICS}, year=2004, pages={607-621} }