SINGHAI, PRINCE K., et al. “Thaxtomin Production and Pathogenic Diversity in Streptomyces Species Causing Common Scab in Potato”. Indian Phytopathology, vol. 64, no. 3, Oct. 2011, pp. 225-8, https://epubs.icar.org.in/index.php/IPPJ/article/view/10477.