- http://terpenes.weebly.com
- The Big Book of Buds, Volume 3, Ed Rosenthal
- http://greenhouseseeds.nl/shop/terpens-in-resin.html#11
- http://www.treatingyourself.com/vbulletin/showthread.php?t=31074
- http://berkeleypatientscare.com/2010/10/08/terpenes-terpenoids-and-cannabis/
- http://blog.stickypointmagazine.com/2008/11/03/the-medical-mark-the-magic-of-terpenes/