Speer, M Ion Relations of Symplastic and Apoplastic Space in Leaves from Spinacia oleracea L. and Pisum sativum L. under Salinity. [electronic resource] - Plant physiology Nov 1991 - 990-7 p. digital Publication Type: Journal Article ISSN: 0032-0889 Standard No.: 10.1104/pp.97.3.990 doi