其他| 1. | Adomatis, D.(2002)。Geocaching： a park ranger’s perspective，http://www.travelbygps.com/articles/geocaching.pdf， 2003/09/18。   |
| 2. | (2003)。Geocaching statistics，http://brillig.com/geocaching/statistics_shtml， 2003/09/18。 |
| 3. | (2003)。Austin geocachers happy hour，http://www.geocaching.conVseek/cache_details.aspx?ID=905GPS， 2003/09/18。 |
| 4. | (2003)。The history of geocaching，http://www.seaotters.net/-scout/Geodashing/geocaching/history.htm， 2003/09/18。 |
| 5. | Groundspeak forums(2003)。GPS in education，http://ubbx.groundspeak.com/6/ubb.x?a=£rm&s=5726007311&f=9116058331， 2003/09/18。 |
| 6. | Hall, E.(2001)。Why my maps were offline for a week: more info than you probably wanted to know，http://www.brillig.com/geocaching/offline_reasons.shtml， 2003/09/18。 |
| 7. | Stum, M.(2000)。Cache vs. stash，http://groups.yahoo.com/group/gpsstash/message/62， 2003/09/18。 |
| 8. | The White House(2000)。On the President's announcement on the Global Positioning System，http://clinton4.nara.gov/WH/EOP/OSTP/html/0053_3.html， 2003/09/17。 |
| 9. | Ulmer, D.(20000503)。GPS Stash Hunt...Stash #1 is there!，http://geocaching.gpsgames.org/history/， 2003/09/18。 |