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STAHAL EGON, . (2005). THIN-LAYER CHROMATOGRAPHY HAND BOOK. NEW DELHI: SPRINGER.
STAHAL EGON, . 2005. THIN-LAYER CHROMATOGRAPHY HAND BOOK. NEW DELHI: SPRINGER.
STAHAL EGON, . THIN-LAYER CHROMATOGRAPHY HAND BOOK. NEW DELHI: SPRINGER. 2005.