@article{articleb67fa0a3,
title   = {Cgc-ms characterization of tar bases from a brazilian high ash coal . I. Selective isolation of the bases by liquid extraction},
author = {Caramao, E B and Gomes, L M F and Oliveira, M D and Lanças, Fernando Mauro},
year = {1987},
journal   = {Hrc and Cc}
}