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022 _a0891-9526
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099 _aP-US-ENR1
110 2 _aMcGraw-Hill Companies
245 0 0 _aENR : engineering news-record
_cMcGraw-Hill Companies.
260 _aNew York :
_bMcGraw-Hill,
300 _av.
310 _asemanal, excepto en enero
650 7 _aINGENIERIA
_2Spines
650 7 _aTECNOLOGIA DE LA CONSTRUCCION
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929 _j21873
999 _c26197
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