Book 42GACKA U SREDNJEM VIJEKU
- Title in English: GACKA IN THE MIDDLE AGES
- Editors: Hrvoje Gračanin, Željko Holjevac
- Series: PROCEEDINGS – Book 42
- Publisher: Ivo Pilar Institute of Social Sciences – Gospić Regional Center
- Place of publication & number of pages: Zagreb ‒ Otočac, 2012 – 370 p.
- ISBN 978-953-6666-96-6
