Não informado. Comparative statistics of lead, copper. Metallurgische Gesellschaft.
Chicagoスタイル(17版)引用形式Não informado. Comparative Statistics of Lead, Copper. Frankfurt, Alemanha: Metallurgische Gesellschaft.
MLA(8版)引用形式Não informado. Comparative Statistics of Lead, Copper. Metallurgische Gesellschaft.
警告: この引用は必ずしも正確ではありません.