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_aT176 _bC87 |
| 245 | 0 | 0 | _aCurrent proyects on economic and social implications of science and technology |
| 264 | 1 |
_aWashington, D.C. : _bNational Science Foundation, _c195- |
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| 300 | _avolúmenes | ||
| 650 | 4 |
_aInvestigación industrial _zEstados Unidos |
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_aInvestigación _zEstados Unidos |
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_atexto _2rdacontent |
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_asin medio _2rdamedia |
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_avolumen _2rdacarrier |
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