Lexicon of terms relating to the assessment and classification of coal resources
Todd, Arthur H J
Lexicon of terms relating to the assessment and classification of coal resources - London: Graham & Trotman Limited, 1982 - 136p.
R 552.57(038) / M2
Lexicon of terms relating to the assessment and classification of coal resources - London: Graham & Trotman Limited, 1982 - 136p.
R 552.57(038) / M2