Arif, M., J. Howard, and L. S. Tisa. “Calcium Homeostasis in Escherichia Coli: Characterization of Mutants and Genome Expression of MG1655”. Bangladesh Journal of Microbiology, vol. 31, no. 1, June 2016, pp. 1-8, doi:10.3329/bjm.v31i1.28457.