Title: A cool R Coronae Borealis star Z UMi Authors: Tonu Kipper (1), Valentina Klochkova (2) ((1) - Tartu Observatory, Toravere, Estonia; (2) - Special Astrophysical Observatory RAS, Nizhnij Arkhyz, Russia) The high resolution spectra of a R CrB type star Z UMi are analysed. The atmospheric para...