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LONG-CHAIN ALKYLSILANE-MODIFIED POROUS SILICA BEADS AS GPC PACKINGSQI JIAN HE; XIU ZHEN LI; DI YA MENG et al.1982; J. LIQ. CHROMATOGR.; ISSN 0148-3919; USA; DA. 1982; VOL. 5; NO 7; PP. 1223-1239; BIBL. 18 REF.Article