"Obrazovni sustav Grigoria Grabovoia" Author: Grigori Grabovoi, ca. 40 pages, A5 (CROATION VERSION)
You can order the title also at MSR Runge VA, D-Steinhagen. Your order - hotline: by telephone +49 (0)5204 - 998123, or by fax +49 (0)5204 - 998 114 or email msr@rungeva.de