@misc{indiciaecbf7241e93c1, title = {Supercritical-Multiple-Solvent Extraction From Coal}, author = {Corcoran, W. and Fong, W. and Pichaichanarong, P. and Chan, P. and Lawson, D.}, year = {1983}, url = {https://ntrs.nasa.gov/citations/19830000153}, note = {Source identifier: 19830000153} }