Yazar
Maurice Deul
3 cilt bulundu.
Cilt sonuçları
Methane control research
Maurice Deul · U.S. Dept. of the Interior, Bureau of Mines
174 sayfa · 1988
Coal mines and mining / Firedamp / Methane / Safety measures
The occurrence of minor elements in ash of low-rank coal from Texas, Colorado, North Dakota and South Dakota
Maurice Deul · U.S. G.P.O.
172 sayfa · 1956
Analysis / Analytical geochemistry / Coal ash / Trace elements