• Design concepts of lock-in signal converters for measurement of dynamic electrical bioimpedanceParve, Toomas; Holmström, Nils; Land, Raul; Min, Mart; Noren, KjellProceedings of the 2nd European Medical & Biological Engineering Conference : EMBEC'02, December 4-8, 2002, Vienna, Austria. 22002 / p. 1456-1457