000 | 00470nam a22001457a 4500 | ||
---|---|---|---|
008 | 230420b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
080 |
_a5+62].001.3 _b[M8] |
||
245 |
_aScience & engineering indicators 1987 _c/National Science Board |
||
260 |
_aWashington, D. C.: _bNational Science Board, _c1987 |
||
300 | _a144p. | ||
650 | _aScience | ||
653 | _aEngineering indicators | ||
942 |
_2udc _cREF |
||
999 |
_c21345 _d21345 |