Scheuerlein, R Determination of cytoplasmic calcium concentration in Dryopteris spores : A developmentally non-disruptive technique for loading of the calcium indicator fura-2. [electronic resource] - Planta May 1991 - 166-74 p. digital Publication Type: Journal Article ISSN: 0032-0935 Standard No.: 10.1007/BF00197944 doi