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Petrographic studies of coals from Alberta plains
/publication/bul-050
Dec 31, 1984
Bulletin
… the hydroliquefaction process. … Parkash, S. … Parkash, S. (1985): Petrographic …
Application of Coal Petrography in the Liquefaction of Subbituminous Coals and Lignites
/publication/inf-102
Dec 31, 1982
Information Series
… Alberta's deposits of subbituminous coal … which are always inert. … Parkash, S. … Cameron, A.R.du Plessis, M.P. … Parkash, S., Cameron, A.R. and du …