@book{169593,
	author = {Nji, G.N.},
	title = {Characterization of heavy oils and bitumens 2. Improving the prediction of vapor pressures for heavy hydrocarbons at low reduced temperatures using the peng - Robinson equation of state},
	year = {ene. 2009},
	url = {http://pubs.acs.org/doi/full/10.1021/ef8006855}
}