B.  Gupta, Panda, K., Kumar, N., Melvin, A. A., Dash, S., and Tyagi, A. Kumar, ?Chemically grafted graphite nanosheets dispersed in poly(ethylene-glycol) by gamma-radiolysis for enhanced lubrication?, RSC Advances, vol. 5, no. 66, pp. 53766-53775, 2015.

B.  Gupta, Kumar, N., Panda, K., Melvin, A. A., Joshi, S., Dash, S., and Tyagi, A. Kumar, ?Effective noncovalent functionalization of poly(ethylene glycol) to reduced graphene oxidenanosheets through gamma-radiolysis for enhanced lubrication?, Journal of Physical Chemistry C, vol. 120, no. 4, pp. 2139-2148, 2016.

B.  Gupta, Kumar, N., Panda, K., Melvin, A. A., Joshi, S., and Dash, S., ?Molecular-Pillar-supported functionalized reduced graphene-oxide for energy efficient lubrication?, Advanced Materials Interfaces, vol. 3, no. 13, p. 1600161, 2016.