Positron annihilation lifetime study of pure and Na(acac) treated polyvinylalcohol A. M.A. EL-SAYED, E. E. ABDEL-HADY, M. MOHSEN et A. SAWABYJ. Phys. IV France, 03 C4 (1993) C4-271-C4-273DOI: https://doi.org/10.1051/jp4:1993442
