Author: Umlenski, Vasil; Shkodrov, Vladimir; & Zaprianova, Antoaneta
Title: Vremeto i kalendarniiat problem
Description: Sofiia, Akademichno Izd. Drinov, 2005. orig.wrappers. 20x15cm, 254 pp. Textual charts & tables.. Minor rubbing. A small removed-label-mark to rear cover. VG. ¶ Bulgarian text. Includes a 3-page English summary. "Time & the Calendar Problem". A philosophical / comparative-historical study of calendrical systems. Contents: Za vremeto i negovoto izmervane; Kalendarniiat problem i astronomiiata; Istoriia i khronologiia.

Keywords: Historical Chronology, Calendar, Calendars, Calendrical, Time, Philosophy, History, Astronomy, Mathematics