T. Ravichandran

Microstructure of polycarbonate seen by positrons as an in-situ probe

C. Ranganathaiah, S. Gopal, R. Ramani, 1995 .

Correlation between electron density and momentum in free volume holes of some semicrystalline polymers

C. Ranganathaiah, S. Gopal, R. Ramani, 1996 .

Free volume study of poly(chlorotrifluoroethylene) using positron annihilation spectroscopy as a microanalytical tool

N. Murthy, C. Ranganathaiah, S. Gopal, 1996 .