TY  - RPRT
TI  - Chemical and physical characterization of mine samples from Lakhra coal field, South Sind, Pakistan
AU  - F.O. Simon
AU  - R.A. Khan
AU  - E.R. Landis
AU  - R.T. Hildebrand
PY  - 1987
DO  - 10.3133/ofr87662
UR  - https://pubs.usgs.gov/publication/ofr87662
ID  - ofr87662
ER  -