| 000 | 00842nam a2200241Ia 4500 | ||
|---|---|---|---|
| 003 | HQRS | ||
| 005 | 20200909232112.0 | ||
| 008 | 150617s2014 xx 000 0 eng d | ||
| 020 | _a0521641195 | ||
| 040 |
_aHQRS _beng _cHQRS |
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| 041 | _heng | ||
| 100 | _aMowery, David C. | ||
| 245 |
_aPaths of innovation: _btechnological change in 20th century America |
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| 260 |
_aCambridge: _bCambridge University Press, _c1998 |
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| 300 |
_aix, 214p.; _c24cm. |
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| 500 | _aIncludes bibliographical and Index | ||
| 650 |
_aTechnology _xUnited States _xHistory-20th century |
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| 650 |
_aInternal combustion engines _xUnited States _xHistory-20th century |
||
| 650 |
_aElectric engineering _xUnited States _xHistory-20th century |
||
| 650 |
_aChemical engineering _xUnited States _xHistory-20th century |
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| 365 | _aINR | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c21439 _d21439 |
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