Photoelectric observations taken with the two-channel photometer and
                   the 60-cm telescope at Mt. Suhora Observatory




             V2150 Cyg -  BVRI
      SW Lyn    -   BVRI
            QW Gem  -   BVRI
      AP Leo      -   BVRI


  Results of LC modeling published by Kreiner et al. (2003), A&A  412, 465  (Paper #1)