1. Evelyn L. Hart and Edward C. Keppelmann, Explorations in Nielsen periodic point theory for the double torus, Topology Appl. 95 (1999), no. 1, 1–30.[MR]
  2. Evelyn L. Hart and Edward C. Keppelmann, Nielsen periodic point theory for periodic maps on orientable surfaces, Topology Appl. 153 (2006), no. 9, 1399–1420.[MR]