1. Byron N, Arnold JEM (1999) What futures for the people of the tropical forests? World Dev 27(5):789–805
2. Encyclopædia Britannica (2010) Encyclopædia Britannica Online. 27 March 2010. http://www.britannica.com/EBchecked/topic/118745/Citation . Accessed on 18 April 2010
3. FAO (2006) Global Forest Resources Assessment 2005. Rome, Italy
4. Forest Research Institute (1953) British Commonwealth Forest Terminology, Part I-Silviculture, protection, mensuration and management, together with allied subjects. The Empire Forestry Association, London, UK
5. FSI (2005) State of Forest Report (SFR) 2005. Forest Survey of India. MoEF, Dehradun, p 214