HRUSTEL-MAJCEN, Marta; PAULIN, Jana; VREČKO, Kristjan. Rules on the designation of areas in the Republic of Slovenia suitable for organic beekeeping : (Official Gazette of the Republic of Slovenia, no. 52/2003). Ljubljana : Ministrstry of Agriculture, Forestry and Food, 2003. 11 str.. ISBN 961-6299-45-X.