000 00346pam a2200157a 44500
082 _a669.7
_bSi81c
100 _aSisco, Frank Thayer
245 1 _aCOLUMBIUM AND TANTALUM
260 _aN. Y.
_bWiley
_c1963
300 _a635
650 _aNiobium
650 _aTantalum
700 _aEpremian, Edward
964 _gCIRC
997 _a19729 C
999 _c438111
_d438111