1. T.Seguchi, S.Hashimoto, K.Arakawa, N.Hayakawa, W.Kawakami, and I.Kuriyama, Radiat. Phys. Chem., to be published.
2. T.Seguchi, K.Arakawa, N.Hayakawa, Y.Watanabe, and I.Kuriyama, Radiat. Phys. Chem., to be published.
3. T.Seguchi, K.Arakawa, M.Ito, N.Hayakawa, and S.Machi, Radiat. Phys.Chem., to be published.
4. Aging and degradation of polyolefins. III. Polyethylene and ethylene–propylene copolymers