Lošťák, Bohumil. Zelená perla / Lošťák, Bohumil ; introduction J. Tomecek - Praha : Panorama, 1982. - 294 p. : ill. ; 27 cm. - 502.75(084) . Subjects--Topical Terms: Landscapes--Czech Republic--Photo AlbumsAnimals--Czech Republic--Photo Albums Universal Decimal Class. No.: 502.75(084)