Bryce, M.R., Green, A., Moore, A.J., Perepichka, D.F., Batsanov, A.S., Howard, J.A.K., Ledoux-Rak, I., Gonzalez, M., Martin, N., Segura, J.L., Garin, J., Orduna, J., Alcala, R., Villacampa, B., "Synthesis of conjugated tetrathiafulvalene (TTF)-pi-acceptor molecules - Intramolecular charge transfer and nonlinear optical properties", European Journal of Organic Chemistry, 2001