Aurul si argintul.
Contributors: Brana, Viorel.
Series: Seria Substante minerale utile
Publisher: Editura technică
Published: 1972
Place of publication: București
Language: rum
Number of pages: 284
Subjects: Gold ores.; Silver ores.; Precious metals -- Metallurgy.
Notes: Bibliography: p. 277-[279]
At head of title: Ion Lăzărescu, Viorel Brana.