Routledge · VDM Verlag Dr. Müller
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Mountaineering Tourism | 978-1-138-78237-2 (1-138-78237-8) | 2015 | James Higham · Anna Thompson- Carr | |
| Travel Health Experience in High Altitude Destination: Case Studies of Sagarmatha National Park and Tibet | 978-3-639-00885-2 (3-639-00885-5) | 2008 | ||