1. Positron mobility in polyethylene in the 60–400K temperature range;Brusa;Appl. Phys. A,1995
2. Temperature and irradiation effects on positronium formation in polycarbonate;Chen;Mater. Sci. Forum,2001
3. Studies of phase transformation in molecular crystals using the positron annihilation technique;Eldrup;Faraday Discuss.,1980
4. Hirade, T., Wang, C.L., Maurer, F.H.J., Eldrup, M., Pedersen, N.J., 1998. Visible light effect on positronium formation in PMMA at low temperatures. Abstract Book for the 35th Annual Meeting on Radioisotopes in the Physical Science and Industries, Tokyo, Japan, June 30–July 1, p. 89
5. Positronium formation at low temperatures;Hirade;Radiat. Phys. Chem.,2000