Kimberlee K. Wallace, Zhuo-Yao Bao, Hong Dai, Russell Digate, Gregory Schuler, Marilyn K. Speedie & Kevin A. Reynolds (1995). Purification of Crotonyl-CoA Reductase from Streptomyces collinus and Cloning, Sequencing and Expression of the Corresponding Gene in Escherichia coli. European Journal of Biochemistry.