| 000 | 00378cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1958 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aR143x73 Un3-1958 | ||
| 245 |
_aScientists and engineers in the federal government _cby National Science Foundation |
||
| 260 |
_aWashington _bU.S. Government Printing Office _c1958 |
||
| 300 | _a44p | ||
| 700 | _aU.S.A. National Science Foundation | ||
| 999 |
_c495750 _d495750 |
||