Ian Pratt-Hartmann
发表
Oliver Lemon,
Ian Pratt-Hartmann,
Oliver Lemon,
1999,
J. Geogr. Syst..
Oliver Lemon,
Ian Pratt-Hartmann,
Oliver Lemon,
1998,
Notre Dame J. Formal Log..
Johan van Benthem,
Marco Aiello,
Ian Pratt-Hartmann,
2007
.
Ian Pratt-Hartmann,
1993,
COSIT.