4Bremner B R 曹亚澄.土壤氮素测定法[M].北京:农业出版社,1981.127-145.
5[2]Larter S R, Aplin A C. Reservoir geochemistry: Methods, applications and opportunities. In: Cubtt J M, England W A, eds. The Geochemistry of Reservoirs. London: The Geological Society,1995.5～32
6[3]Li M, Larter S R, Stoddart D, et al. Fractionation of pyrrolic nitrogen compounds in petroleum during migration: Derivation of migration-related geochemical parameters. In: Cubtt J M, England W A, eds. The Geochemistry of Reservoirs. London: The Geological Society, 1995. 103～124
7[4]Wilhelms A, Patience R L, Larter S, et al. Nitrogen fractionality distributions in asphaltenes isolated from several oils from different source rock types. Geochim Cosmochim Acta, 1992, 56:3745～3750
8[5]Maowen L, Huanxin Y, Stasiuk L D, et al. Effect of maturity and petroleum expulsion on pyrrolic nitrogen compound yields and distributions in Duvernay Formation petroleum source rocks in central Alberta. Canada Org Geochem, 1997, 26(11 - 12): 731～744
9[8]Ader M, Boudou J P, Javoy M, et al. Isotope study on organic nitrogen of Westphalian anthracites from the Western Middle field of Pennsylvania (USA) and from the Bramsche Massif (Germany).Org Geochem, 1998, 29(1-3): 315～323
10[11]Talbot M. Nitrogen isotopes in palaeolimnolgy. In: Last W M,Smol J P, eds. Tracking Environmental Change Using Lake Sediments, Physical and Geochemical Methods, Volume 2, Dordrecht.Netherlands: Kluwer Academic Publishers, 2001. 401～441
