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Wu, C.-Y.; Li, H.-Y.; Chen, Y.-Y.; Lu, X.-R., Preparation and gas chromatographic characterization of some immobilized crown ether-polysiloxane stationary phases, J. Chromatogr., 1990, 504, 279-286, https://doi.org/10.1016/S0021-9673(01)89533-9 . [all data]