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- [2] RAPID DETERMINATION OF LEAD IN USED LUBRICATING OILS ON THIN-LAYER CHROMATOGRAMS JOURNAL OF CHROMATOGRAPHY, 1974, 93 (01): : 211 - 216
- [4] SIMULTANEOUS DETERMINATION OF METALS IN LUBRICATING OILS ERDOL & KOHLE ERDGAS PETROCHEMIE, 1978, 31 (04): : 200 - 204
- [5] SPECTROPHOTOMETRIC DETERMINATION OF PHOSPHORUS IN LUBRICATING OILS ANALES DE QUIMICA SERIE B-QUIMICA INORGANICA Y QUIMICA ANALYTICA, 1980, 76 (01): : 149 - 153
- [6] DETERMINATION OF ADDITIVES IN ENGINE LUBRICATING OILS MAGYAR KEMIKUSOK LAPJA, 1967, 22 (03): : 160 - +