Moore, Elwood S.
Coal; its properties, analysis, classification, geology, extraction, uses and distribution - 2a ed. - New York John Wiley & Sons 1950 - 473 p. ilus.
CARBON
MINAS Y MINERIA
YACIMIENTOS MINERALES
553.94+622.33/M77
Coal; its properties, analysis, classification, geology, extraction, uses and distribution - 2a ed. - New York John Wiley & Sons 1950 - 473 p. ilus.
CARBON
MINAS Y MINERIA
YACIMIENTOS MINERALES
553.94+622.33/M77