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082 _a660. 6
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090 _aCOLECCION GENERAL
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245 1 _aGenetic engineering, biotechnology sourcebook /
260 _bMcGraw-Hill
_c19820000
_aWashington, us
300 _a313
650 0 7 _aBIOTECNOLOGIA
942 _2ddc
_cBK