- Polypyrrole photovoltaic structure prepared by electrodepositionBereznev, Sergei; Kois, Julia; Mellikov, Enn; Öpik, Andres; Meissner, DieterSeventeenth European Photovoltaic Solar Energy Conference and Exhibition : München, Germany, October 22-26, 2001 : book of abstracts2001 / p. 150