Bye, Ragnar; Agasöster, Tone; Åsheim, Arne (1993). "A novel and fast extraction technique as an alternative to conventional separatory funnels". Fresenius' Journal of Analytical Chemistry. 345 (6): 411–414. doi:10.1007/BF00325616. S2CID97042736.
Bye, Ragnar; Agasöster, Tone; Åsheim, Arne (1993). "A novel and fast extraction technique as an alternative to conventional separatory funnels". Fresenius' Journal of Analytical Chemistry. 345 (6): 411–414. doi:10.1007/BF00325616. S2CID97042736.