R. R.  Pal, Patil, P. S., Salunkhe, M. M., Maldar, N. N., and Wadgaonkar, P. P., ?Synthesis, characterization and constitutional isomerism study of new aromatic polyamides containing pendant groups based on asymmetrically substituted meta-phenylene diamines?, European Polymer Journal, vol. 45, no. 3, pp. 953-959, 2009.