主题：【已应助】求老文献4篇，谢谢。

【序号】：1
【作者】：Frolov, Ye B. Smirnov, M. B. Vanyukova, N. A. Sanin, P. I.
【题名】： Carbazoles of crude oil
【期刊】：Petroleum Chemistry U.S.S.R.
【年卷期】： 1989,29,2,87-102
【全文链接】:http://www.sciencedirect.com/science/article/B757T-487DB1B-

1/2/5e8353a14ff792711f387134aba35e45




【序号】：2
【作者】：Dzidic, Ismet  Balicki, Michael D.  Hart, Haskell V.
【题名】： Identification and quantification of carbazole and benzocarbazole homologues in clarified

slurry oils by an ammonia chemical ionization g.c.-m.s
【期刊】：Fuel
【年卷期】： 1988,67,8,1155-1159
【全文链接】:http://www.sciencedirect.com/science/article/B6V3B-498TK59-

T/2/606578c6479936357a8920fb21f7925f



【序号】：3
【作者】：Chowdhury, B. K.  Hirani, S. K.  Bhattacharyya, P.
【题名】： High-performance liquid chromatographic separation of carbazole alkaloids
【期刊】：Journal of Chromatography A
【年卷期】： 1986,369,258-260
【全文链接】:http://www.sciencedirect.com/science/article/B6TG8-44CHYKK-

74/2/9c933fadadd67b002df1adc595006c97



【序号】：4
【作者】：Bakel, Allen J. Philp, R. Paul
【题名】： The distribution and quantitation of organonitrogen compounds in crude oils and rock

pyrolysates
【期刊】：Organic Geochemistry
【年卷期】： 1990,16,1-3,353-367
【全文链接】:http://www.sciencedirect.com/science/article/B6V7P-48B0MJV-

CV/2/ee5a96fad2c05c4423cbc463acbc0af0