000 | 00292pam a2200097a 44500 | ||
---|---|---|---|
082 |
_aTR _bNBS-260-26 |
||
100 | _aJ. F. Martin | ||
245 | 1 | _aNational bureau of standards U.S.Steel corporation joint program for deter mining oxygen and nitrogen in steel | |
260 |
_a _b _c |
||
997 | _aTR4251 C | ||
999 |
_c405143 _d405143 |