000 nam a22 7a 4500
999 _c3342
_d3342
003 Biblioteca INTEMIN
005 20180528190852.0
007 Libro
008 180528b xxu||||| |||| 00| 0 eng d
041 _aEN
080 _a669
100 _aSiemens, Richard E.
_97392
245 _aEffect of microstructure on superconductivity in the columbium-hafnium system
260 _aWashington
_bBureau of Mines
_c1969
300 _aii, 29 p.
_bil
_c26 cm
440 _aRI
_v7258
_97393
650 _ahafnium
_97394
650 _aalloys
_91000
650 _aniobium
_97176
653 _aniobium alloys
700 _aDeardorff, Donald K.
_91740
700 _aOden, L. L.
_97395
942 _cBK