Suzuki T.,Miura T.,Oki Y.,Numajiri M.,Kondo K., and Ito Y.
" Structure dependence of gamma-ray irradiation effects on
polyethylenes studied by positron annihilation"
Radiation Physics and Chemistry 45,pp.797-804(1995)
Suzuki T.,Miura T.,Oki Y.,Numajiri M.,Kondo K., and Ito Y.
" Positron irradiation effects on polypropylene and polyethylene
studied by positron annihilation"
Radiation Physics and Chemistry 45,pp.657-663(1995)