TY  - SER
AU  - Liu,Zi-Wu
AU  - Zong,Zhi-Ming
AU  - Li,Jin-La
TI  - Isolation and identification of two bis (2-ethyltheptyl) benzenedicarboxylates from lingwu coal
PY  - 2009///
CY  - 
PB  - 
UR  - http://pubs.acs.org/doi/full/10.1021/ef800749r
ER  -