The First Eclipsing Binary Observations at the Ulupinar Astrophysics Observatory Demircan, O. ; Erdem, A. ; Ozdemir, S. ; Cicek, C. ; Bulut, I. ; Soydugan, F. ; Soydugan, E. ; Bakis, V. ; Kabas, A. ; Bulut, A. ; Tuysuz, M. ; Zejda, M. ; Budding, E. Abstract Publication: Information Bulletin on Variable Stars Pub Date: January 2003 Bibcode: 2003IBVS.5364....1D