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Galceran, M.T.; Santos, F.J.; Barcelo, D.; Sanchez, J., Improvements in the separation of polychlorinated biphenyl congeners by high-resolution gas chromatography. Application to the analysis of two mineral oils and powdered milk, J. Chromatogr. A, 1993, 655, 2, 275-284, https://doi.org/10.1016/0021-9673(93)83233-I . [all data]