Ak, S. Et Al. 1998. Metal-poor turnoff and subgiant field stars in the Galaxy - I. RGU photometry in a high-latitude field near M101. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.131, no.2 , 345-354.

Ak, S., Karaali, S., & Buser, R., (1998). Metal-poor turnoff and subgiant field stars in the Galaxy - I. RGU photometry in a high-latitude field near M101. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.131, no.2, 345-354.

Ak, Serap, Salih KARAALİ, And Roland Buser. "Metal-poor turnoff and subgiant field stars in the Galaxy - I. RGU photometry in a high-latitude field near M101," ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.131, no.2, 345-354, 1998

Ak, Serap Et Al. "Metal-poor turnoff and subgiant field stars in the Galaxy - I. RGU photometry in a high-latitude field near M101." ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.131, no.2, pp.345-354, 1998

Ak, S. Karaali, S. And Buser, R. (1998) . "Metal-poor turnoff and subgiant field stars in the Galaxy - I. RGU photometry in a high-latitude field near M101." ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES , vol.131, no.2, pp.345-354.

@article{article, author={Serap AK Et Al. }, title={Metal-poor turnoff and subgiant field stars in the Galaxy - I. RGU photometry in a high-latitude field near M101}, journal={ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES}, year=1998, pages={345-354} }