TY  - BOOK
AU  - Sisco, Frank Thayer
AU  - Epremian, Edward
TI  - COLUMBIUM AND TANTALUM
U1  - 669.7 
PY  - 1963///
CY  - N. Y.
PB  - Wiley
KW  - Niobium
KW  - Tantalum
ER  -