Gail Ritchey · Gale Rhodes · Gyula Rádóczy
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The GeoDirectory, The 1997,v.1: Products and Services Directory | 978-1-86242-004-5 (1-86242-004-1) | 1997 |
| The GeoDirectory, The 1997,v.2: Academic Institutions Directory | 978-1-86242-005-2 (1-86242-005-X) | 1997 |