ej230: "Simultaneous CCD Photometry of Two Eclipsing Binary Stars in Pegasus—Part 1: KW Peg" by K. B. Alton
ej231: "Simultaneous CCD Photometry of Two Eclipsing Binary Stars in Pegasus—Part 2: BX Peg" by K. B. Alton
ej230: "Simultaneous CCD Photometry of Two Eclipsing Binary Stars in Pegasus—Part 1: KW Peg" by K. B. Alton
ej231: "Simultaneous CCD Photometry of Two Eclipsing Binary Stars in Pegasus—Part 2: BX Peg" by K. B. Alton