RATAN TIWARI and S. NAGARAJAN, J. KUMAR*, M.S. SAHARAN, A.K. SHARMA, SUDHIR SHARMA, SOMVIR,. “Pathogenic and Molecular Variation Among Indian Isolates of Tilletia Indica Causing Karnal Bunt of Wheat”. Indian Phytopathology, vol. 57, no. 2, May 2004, pp. 144-9, https://epubs.icar.org.in/index.php/IPPJ/article/view/18057.