au.\*:("KOESTER F")
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OBSERVATIONS ON MIGRATORY TURKEY VULTURES AND LESSER YELLOW-HEADED VULTURES IN NORTHERN COLOMBIAKOESTER F.1982; ; AUK; ISSN 0004-8038; USA; DA. 1982; VOL. 99; NO 2; PP. 372-375; BIBL. 15 REF.Article
ADSORPTION FROM BINARY SOLVENT MIXTURES ONTO SILICA GEL BY HPLC FRONTAL ANALYSISKOESTER F; FINDENEGG GH.1982; CHROMATOGRAPHIA; ISSN 0009-5893; DEU; DA. 1982; VOL. 15; NO 12; PP. 743-747; BIBL. 14 REF.Article