S.  Mishra, Sonawane, S. H., and Singh, R. P., ?Studies on characterization of nano CaCO3 prepared by the in situ deposition technique and its application in PP-nano CaCO3 composites?, Journal of Polymer Science Part B: Polymer Physics, vol. 43, no. 1, pp. 107-113, 2005.

R.  K. Reddy, Kumar, B., Rana, S., Tevtia, A. K., and Singh, R. P., ?Synthesis and characterization of hindered amine light stabilizers based on end functionalization of polypropylene?, Journal of Applied Polymer Science, vol. 104, no. 3, pp. 1596-1602, 2007.

S. A. S.  Alariqi, A. Kumar, P., Rao, B. S. M., and Singh, R. P., ?Effect of gamma-dose rate on crystallinity and morphological changes of gamma-sterilized biomedical polypropylene?, Polymer Degradation and Stability, vol. 94, no. 2, pp. 272-277, 2009.

S. A. S.  Alariqi, Singh, R. P., and Rao, B. S. M., ?Gamma-initiated oxidation of isotactic polypropylene: effect of gamma-dose rate on durability?, Arabian Journal for Science and Engineering, vol. 36, no. 1, pp. 29-38, 2011.