S.  Shyamroy, Garnaik, B., and Sivaram, S., ?Structure of poly(L-lactic acid)s prepared by the dehydropolycondensation of L-lactic acid with organotin catalysts?, Journal of Polymer Science Part A-Polymer Chemistry, vol. 43, no. 10, pp. 2164-2177, 2005.

L.  Kathawate, Gejji, S. P., Yeole, S. D., Verma, P. L., Puranik, V. G., and Salunke-Gawali, S., ?First naphthosemiquinone complex of K+ with vitamin K3 analog: experiment and density functional theory?, Journal of Molecular Structure, vol. 1088, pp. 56-63, 2015.