1. Alexander MP (1980) A versatile stain for pollen fungi, yeast and bacteria. Stain Technol 55:13–18
2. Chand PK, Ochatt SJ, Rech EL, Power JB, Davey MR (1988) Electroporation stimulates plant regeneration from protoplasts of the woody medicinal speciesSolatium dulcamara L. J Exp Bot 39: 1267–1274
3. Chang DC (1992) Design of protocols for electroporation and electrofusion: selection of electrical parameters. In: Chang DC, Chassy BM, Saunders JA, Sowers AE (eds) Guide to electroporation and electrofusion. Academic Press, San Diego, pp 429–455
4. Chen GY, Conner AJ, Fautrier AG, Field RJ (1999) Transient betaglucuronidase expression in asparagus protoplasts following electroporation. In: Benson B (ed) IXth International Asparagus Symposium, Pasco, Washington, July 15–17, 1997. International Society for Horticultural Science, Leuven, pp 339–345
5. Cole KS (1968) Membranes, ions, and impulses: a chapter of classical biophysics. University of California Press, Berkeley