| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Palajace serca | 978-83-7354-583-O (83-7354-583-2) | 2015 |
R. Gregory · Remi Gregoire · Rene Greger · Renée Grégoire · Ron Gregory · T. Ryan Gregory · T. Ryan Gregory Ph.D. in Evolutionary Biology & 2002 - Zoology from the University of Guelph in Ontario Canada