Drainage and use of methane from coal fields : developments since 1956.
Drainage and use of methane from coal fields : developments since 1956.
- 112 pages : illustrations ; 24 cm
Includes bibliographical references.
Methane
Firedamp
TN305 / .O74 1958
OECD D759u
Includes bibliographical references.
Methane
Firedamp
TN305 / .O74 1958
OECD D759u