SOLITONS IN BIS-TETRAMETHYLTETRASELENAFULVALENE HEXAFLUOROPHOSPHATE [(TMTSF)2PF6] E. M. ConwellJ. Phys. Colloques, 44 C3 (1983) C3-1133-C3-1136DOI: https://doi.org/10.1051/jphyscol/1983155