RAO, G.; KUMAR, N.; RAO, T.; RAO, K.; V. SIMHADRI, N. Chemical Speciation of Binary Complexes of Pb(Ii), Cd(Ii) and Hg(Ii) with L-Methionine in Propylene Glycol -Water Mixture. Journal of Progressive Research in Chemistry, v. 2, n. 1, p. 61-68, 10 jul. 2015.