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- [21] COMPARISON OF CARCINOGENIC EFFECTS OF COAL-TAR AND A NEW SYNTHETIC TAR ARCHIV FUR DERMATOLOGISCHE FORSCHUNG, 1972, 242 (02): : 176 - &
- [22] DETECTION OF PETROLEUM OIL DILUENTS IN COAL TAR CREOSOTE BY THIN-LAYER CHROMATOGRAPHY JOURNAL OF CHROMATOGRAPHY, 1968, 38 (04): : 522 - &