1995 279 p., 1 map, paperbound. Library stamps, else good copy.
1997 v, 73 p., 1 map, paperbound. Library stamps and markings, else good copy.
1987 161 p., 123 figures, cloth. In Bulgarian. Library stamps. On the front cover is, wrongly, printed in gilt Diptera, Chloropidae, the title-page gives the real title: Coleoptera, Hydrocanthares.