T.C. BHALLA and T.N. LAKHANPAL, ANAND SAGAR*, SMRITI RAGHWA,. “Screening of Thermophilic and Psychrophilic Fungi from Cold Desert of Himachal Pradesh for Amylase Production”. Indian Phytopathology, vol. 59, no. 4, Dec. 2006, pp. 507-8, https://epubs.icar.org.in/index.php/IPPJ/article/view/17409.