TY - JOUR A1 - Friedrich, Alwin A1 - Hefele, Heike A1 - Mickler, Wulfhard A1 - Mönner, Anke A1 - Uhlemann, Erhard A1 - Scholz, F. T1 - Voltammetric and potentiometric studies on the stability of vanadium(IV) complexes : a comparision of sulution phase voltammetry with the voltammetry of the microcrystalline solid compounds Y1 - 1998 ER -