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090 _aB-10036
245 1 0 _aThe structure of the soluble fractionation of amber
490 0 _vChemistry of Natural Compounds, 13(3), p.356-357, 1977
700 1 2 _aAlekseeva, I.A.
700 1 2 _aSinitsyna, T.A.
856 4 0 _uhttps://drive.google.com/file/d/1YaTz5nWQXFsW0I7zO2rL7KkU3XZSKyNb/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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