TRIPLET EXCITONS IN (NPQn)1-x (NEQn)x (TCNQ)2 L. Forro, N. Mermilliod and S. Bouffard J. Phys. Colloques, 44 C3 (1983) C3-1417-C3-1420 DOI: 10.1051/jphyscol/1983032