Vremeto i kalendarnii︠a︡t problem
By: Vasil Umlenski, Vladimir Shkodrov, Antoaneta Zapri︠a︡nova.
Contributors: Shkodrov, V.; Zapri︠a︡nova, Antoaneta.
Publisher: AI "Marin Drinov"
Published: 2005
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 254
ISBN-13: 9789543220250
Subjects: Calendar.; Calendar, Bulgarian.
Other titles: Time and the calendar problem
Notes: Includes bibliographical references and indexes.

Summary in English.