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- [5] NEW APPROACHES TO TEACHING OF ANALYTICAL SEPARATIONS AND CHROMATOGRAPHY ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1975, (169): : 13 - 13
- [6] STEP GRADIENT ELUTION IN GEL-PERMEATION CHROMATOGRAPHY - A NEW APPROACH TO NATURAL-PRODUCTS SEPARATIONS JOURNAL OF NATURAL PRODUCTS, 1983, 46 (02): : 196 - 199