TY  - SER
AU  - Yang,Chun
TI  - Characteristics of bicyclic sesquiterpanes in crude oils and petroleum products
N1  - YA2009 M09
Sources  - Journal of Chromatography A
Sources  - 1216 (20) 2009 : 4475-4484
ISSN  - 0021-9673
ER  -