1. Ralph H. Buchholz and James A. MacDougall, Cyclic polygons with rational sides and area, J. Number Theory 128 (2008), no. 1, 17–48.[MR]
  2. C. Chisholm and J. A. MacDougall, Rational and Heron tetrahedra, J. Number Theory 121 (2006), no. 1, 153–185.[MR]
  3. C. Chisholm and J. A. MacDougall, Rational tetrahedra with edges in geometric progression, J. Number Theory 128 (2008), no. 2, 251–262.[MR]