TY  - BOOK
AU  - 
AU  - 
TI  - Extractive Metallurgy Of Niobium
SN  - 0849360716
U1  - 669.79 GUP 
PY  - 1994///
CY  - Boca Raton
PB  - CRC Press
KW  - Niobium
KW  - Metallurgy
N1  - Includes bibliographical references and index ( p.: 251 - 254 )
ER  -