Water absorption in novolac epoxy resins studied by positron annihilation T. MIURA, T. SUZUKI, Y. OKI, M. NUMAJIRI, K. KONDO, Y. SHIOMI et Y. ITO J. Phys. IV France, 03 C4 (1993) C4-249-C4-252 DOI: 10.1051/jp4:1993437