Girish Ch. Behera, and S. Ramakrishnan, "Controlled variation of spacer segment in hyperbranched polymers - From densely branched to lightly branched systems" Macromolecules, 37, 9814 (2004).
M. Jayakannan and S. Ramakrishnan , "Hyperbranched Polyethers prepared by a novel melt transetherification process", Chem. Comm., 1967 (2000) .
Anil Kumar and S. Ramakrishnan, "Structural Variants of Hyperbranched Polyesters", Macromolecules, 29, 2524, (1996).
Anil Kumar and S. Ramakrishnan, "Hyperbranched Polyurethanes with Varying Spacer Segments between Branching Points", J. Polym. Sci., Poly. Chem. Ed. 34, 839 (1996).
Anil Kumar and S. Ramakrishnan, "A Novel one-pot synthesis of hyperbranched polyurethanes", J.Chem.Soc., Chem. Commun. 1453 (1993).