Grainger, L. Gibson, J.
Coal utilisation : technology, economics and policy - London Graham & Trotman 1981 - xxii, 503p. : ill.
0860102661
662.6 / G7
Coal utilisation : technology, economics and policy - London Graham & Trotman 1981 - xxii, 503p. : ill.
0860102661
662.6 / G7