@book{1980,
	author = {Thrangu, and Roberts, Peter Alan,},
	title = {On Buddha essence :},
	publisher = {Shambhala Publications,},
	year = {2006.},
	address = {Boston, MA :},
	edition = {First edition},
	note = {Translation from Tibetan.},
	url = {http://www.loc.gov/catdir/toc/ecip066/2006000177.html}
}