1. Baskin, D. K. (1997). Atomic ratio H/C of kerogen as an estimate of thermal maturity and organic matter conversion. AAPG Bulletin,81, 1437–1450.
2. Bazhenova, O. K., & Arefiev, O. A. (1990). Immature oils as the products of early catagenetic transformation of bacterial-algal organic matter. Organic Geochemistry,16(1–3), 307–311.
3. Bordenave, M. L., Esoitalie, J., Leolat, P., Qudin, J. L., & Vandenbroucke, M. (1993). Screening techniques for source rock evaluation. In M. L. Bordenave (Ed.), In Applied Petroleum Geochemistry (pp. 219–277). Paris: Technip.
4. Burnham, A. K. (1989). On the validity of the pristane formation index. Geochimica et Cosmochimica Acta,53(7), 1693–1697.
5. Chen, Z. H., & Cha, M. (2005). Current situation and prospect of the investigation on hydrocarbon expulsion from source rocks. Advance in Earth Sciences,20(4), 459–466. (in Chinese with English abstract).