S.K. JAIN and S.B. SINGH, S.C BHARDWAJ*, S.K. NAYAR, M. PRASHAR,. “Pathotype Distribution of Puccinia Graminis Tritici In India During 1998-2001”. Indian Phytopathology, vol. 56, no. 1, Mar. 2003, pp. 75-77, https://epubs.icar.org.in/index.php/IPPJ/article/view/18243.