RADICAL-CATION SALTS OF SUBSTITUTED PERYLENES R. Lapouyade, J.P. Morand, D. Chasseau, C. Hauw et P. Delhaes J. Phys. Colloques, 44 C3 (1983) C3-1235-C3-1238 DOI: 10.1051/jphyscol/1983171