K. V. Kumar, C. Jaiprakash, M. Punnam Chander, R. Reesu, A. Maile, and C. Lall, “Heavy Metal tolerant Non endosymbiont PGPR’s; Psuedomonas spp. and Bacillus spp. associated with the roots of evergreen shrubs Casuarinas equisetifolia”, RRST, vol. 8, pp. 30–35, Oct. 2016.