TY  - BOOK
AU  - De Ment,Jack Andrew
AU  - Dake, H. C. 
TI  - Rarer Metals
U1  - 669.2 23
PY  - 1949///
CY  - London
PB  - Temple Press
KW  - Nonferrous metals
N1  - Includes bibliographical references and indexs ( p.: 328 - 345 )
ER  -