TY  - BOOK
AU  - Sisco, Frank T.
AU  - Epremian, Edward.
AU  - Hollomon, J.H., ed.
TI  - Columbium and tantalum
T2  - Wiley series on the science and tec. of materials
U1  - 669.79 
PY  - 1963///
PB  - Wiley
ER  -