GEOCHEMICIAL CHARACTERISTICS OF NATURAL GAS OF XUJIAHE FORMATIONIN SOUTHERN AND MIDDLE SICHUAN
XIAO Zhi-hua XIE Zeng-ye LI Zhi-sheng MA Cheng-hua SUN Qing-wu
西南石油大学学报(自然科学版) . 2008, (4): 27 -30 .  DOI: 10.3863/j.issn.1000-