Armstrong, D. J., Scarbrough, E., Skoog, F., Cole, D. L., & Leonard, N. J. (1976). Cytokinins in Corynebacterium fascians Cultures: Isolation and Identification of 6-(4-Hydroxy-3-methyl-cis-2-butenylamino)-2-methylthiopurine.

Armstrong, Donald J., Emanuel Scarbrough, Folke Skoog, Douglas L. Cole, a Nelson J. Leonard. Cytokinins in Corynebacterium Fascians Cultures: Isolation and Identification of 6-(4-Hydroxy-3-methyl-cis-2-butenylamino)-2-methylthiopurine. 1976.

Armstrong, Donald J., et al. Cytokinins in Corynebacterium Fascians Cultures: Isolation and Identification of 6-(4-Hydroxy-3-methyl-cis-2-butenylamino)-2-methylthiopurine. 1976.