Encounters with Bulgaria : The Wondrous cornucopia of the Bulgarian Nature / Completed by Kapka Nikolova. - Sofia : Tangra TanNakRa PH, 2006. - 73 p. : ill. ; 30 cm - 551+308(NLA) . ISBN: 9543780048 Subjects--Topical Terms: Nature--Bulgaria Universal Decimal Class. No.: 551+308(NLA)