Determination of total and labile metal in sediments by anodic stripping voltammetryLepane, Viia; Hödrejärv, HelviInternational Congress on Analytical Sciences 1991 (IUPAC ICAS'91) : abstracts, Chiba, Japan, 25-31 August 19911991 / p. 312 Trace elements in phosphate rock and fertilizersViisimaa, Ludmilla; Veiderma, Mihkel; Hödrejärv, HelviInternational Congress on Analytical Sciences 1991 (IUPAC ICAS'91) : abstracts, Chiba, Japan, 25-31 August 19911991 / p. 320