V. Gulbinas, R. Kananavicius, L. Valkunas, Y. Zaushitsyn, V. Sundström, A. Yartsev and H. Bässler, ‘Dynamics otf the electric field assisted charge carrier photogeneration in ladder-type poly(para-phenylene)’. 3-rd Int. Conf. ‘Advanced optical materials and devices’ (AOMD-3), 19-22 August 2002, Riga.