HNATOWICZ, Vladimír, ŠVORČÍK, V., PROŠKOVÁ, K., ARENHOLZ, E., KLUGE, A. Polyimide modified by irradiation with C and N ions beams. Polymer Degradation and Stability. 1999, 65(-), 131-135. ISSN 0141-3910. E-ISSN 1873-2321.