Practical coal mining

Detaylı Bibliyografya
Yazar:	Mason, Ernest ed
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	London Virtue 1954.
Edisyon:	4th ed.
Seri Bilgileri:	Coal mining series
Konular:	Coal mines and mining. Coal mines and mining > Great Britain.