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| 005 | 20170316114018.0 | ||
| 008 | 170316b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cIITK | ||
| 041 | _aeng | ||
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_a502.5 _bUn3d cop.2 |
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| 110 | _aUnited State. Library Of Congress.National Referral Center For Science And Technology | ||
| 245 | 1 |
_aA DERECTORY OF INFORMATION RESOURCES IN THE UNITED STATES _cNational Referral Center For Science And Technology _bPHYSICAL SCIENCES, BIOLOGICAL SCIENCES, ENGINEERING |
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| 260 |
_aWashington _bU. S. Govt. Print. Off. _c1965 |
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| 300 | _a352p | ||
| 650 | _aScience -- U. S. -- Information Services | ||
| 650 | _aTechnology -- U. S. -- Information Services | ||
| 942 | _cBK | ||
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_c385078 _d385078 |
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