@book{19920,
	author = {Nag, Sajal,},
	title = {Roots of ethnic conflict :},
	publisher = {Manohar Publications,},
	year = {1990.},
	address = {New Delhi :},
	edition = {1st ed.},
	note = {Revision of the author's thesis (Ph. D.--North Eastern Hill University, 1985).}
}