Phalen, W.C.
Sulphur, pyrite, and sulphuric acid in 1915. - Washington, D.C. Government Printing Office 1916 - pp. 291-306 - Mineral Resources of the United States, 1915-Part II .
Impreso
Ingles
MINERIA
AZUFRE
PIRITA
ACIDO SULFURICO
553.66
Sulphur, pyrite, and sulphuric acid in 1915. - Washington, D.C. Government Printing Office 1916 - pp. 291-306 - Mineral Resources of the United States, 1915-Part II .
Impreso
Ingles
MINERIA
AZUFRE
PIRITA
ACIDO SULFURICO
553.66