1. International Energy Outlook (2006) Energy International Administration of the DDE, Washington, DC.
2. Dorokhin V.P., Paliy A.O. (2004) Sostoaynye i perspektivy dobychy tayzelykh i bituminoznykh neftei i mire,Neftepromyslovoye delo(Rus.)5, 47-50.
3. Hsieh M., Philp R.P. (2001) Ubiquitous occurrence of high molecular weight hydrocarbons in crude oils,Org. Geochem.32, 8, 955-967.
4. Petrov Al.A. (1984)Uglevodorody nefti(Petroleum hydrocarbons), Nauka, Moscow.
5. Tissot B.P., Welte D.H. (1981)Petroleum Formation & Occurence, Mir, Moscow