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_aDaniels, Douglas _eed. _931040 |
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_aDefining critical mass _b: the case in animal research |
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_aOttawa : _bInternational Development Research Centre, _c1993 |
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| 300 |
_a61 p. _b; gráfs. |
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0137 |
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h1220 |
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_aGanadería _xInvestigación. _944756 |
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_aInvestigación _xCostos. _960229 |
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_aNestel, Barry _eed. _980897 |
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