Liquid Culture Systems for in vitro Plant Propagation - International Symposium on 'Liquid Systems for In Vitro Mass Propagation of Plants'; Hvoslef-Eide, A.K; Hvoslef-Eide, Anne Kathrine; Preil, Walter; COST Action 843 (Project); COST Action 843 (Project) Staff; Preil, W. (Dordrecht Springer Netherlands, 2005)