Petrovaradinska tvrđava
Subtitle: kosmički lavirint otkrića
By: Veljko Milković.
Publisher: Vrelo
Published: 2007
Place of publication: Novi Sad
Number of pages: 116
Subjects: Curiosities and wonders -- Serbia -- Petrovaradin; Petrovaradinska tvrđava (Petrovaradin, Serbia); Petrovaradin (Serbia) -- Buildings, structures, etc
Notes: Includes bibliographical references (p. 106-108).

In Serbian (roman).