Burchard, Ernest F.
Cement in 1918. - Washington, D.C. Government Printing Office 1920 - pp. 565-627 - Mineral Resources of the United States, 1918-Part II .
Impreso
Ingles
MINERIA
CEMENTO
553.68
Cement in 1918. - Washington, D.C. Government Printing Office 1920 - pp. 565-627 - Mineral Resources of the United States, 1918-Part II .
Impreso
Ingles
MINERIA
CEMENTO
553.68