Katz, Frank J.
The production of silica (quartz) in 1913. - Washington, D.C. Government Printing Office 1914 - pp. 175-180 - Mineral Resources of the United States, calendar year 1913-Part II .
Impreso
Ingles
MINERIA
SILICE
OXIDO DE SILICIO PRODUCCION DE SILICE
546.683
The production of silica (quartz) in 1913. - Washington, D.C. Government Printing Office 1914 - pp. 175-180 - Mineral Resources of the United States, calendar year 1913-Part II .
Impreso
Ingles
MINERIA
SILICE
OXIDO DE SILICIO PRODUCCION DE SILICE
546.683