Authors: BURBA P ASTER B NIFANTEVA T SHKINEV V SPIVAKOV BY

Citation: P. Burba et al., MEMBRANE FILTRATION STUDIES OF AQUATIC HUMIC SUBSTANCES AND THEIR METAL SPECIES - A CONCISE OVERVIEW PART-1 - ANALYTICAL FRACTIONATION BY MEANS OF SEQUENTIAL-STAGE ULTRAFILTRATION, Talanta, 45(5), 1998, pp. 977-988

Authors: ASTER B VONBOHLEN A BURBA P

Citation: B. Aster et al., DETERMINATION OF METALS AND THEIR SPECIES IN AQUATIC HUMIC SUBSTANCESBY USING TOTAL-REFLECTION X-RAY-FLUORESCENCE SPECTROMETRY, Spectrochimica acta, Part B: Atomic spectroscopy, 52(7), 1997, pp. 1009-1018

Authors: ASTER B BURBA P BROEKAERT JAC

Citation: B. Aster et al., ANALYTICAL FRACTIONATION OF AQUATIC HUMIC SUBSTANCES AND THEIR METAL SPECIES BY MEANS OF MULTISTAGE ULTRAFILTRATION, Fresenius' journal of analytical chemistry, 354(5-6), 1996, pp. 722-728