Institution: | 1. Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences , 1113, Sofia, Bulgaria;2. Department of Inorganic Chemistry, Chemical Faculty , Sankt-Petersburg State University , 198904, St. Petersburg, Russia;3. Universidad de Castilla-La Mancha, Escuela Universitaria de Ingenieria, Technica Agricola , 13004, Ciudad Real, Spain |