Dayal, H., B. Gupta, K. Tewari, Kamlesh Mehta, Mr. Chandrashekhar, and S. Gupta. 2014. “Underground Corrosion by Microorganisms Part-I : Analytical Studies of Some Inclian Soils”. Defence Science Journal 38 (2), 209-16. https://doi.org/10.14429/dsj.38.5882.