Sirius, #13

From Author Wars - https://authorwars.com/publications/sirius-13-616749.html

Overview:

Title: Sirius, #13
Author: Borivoj Jurković
Year: 1977
Publisher: Vjesnik
Price: Din 10
Pages: 148
Binding: Paperback
Type: MAGAZINE
Title Reference: Sirius - 1977
Notes:
- Sirius #12 ← Sirius #13 → Sirius #14
- Cover artist is not credited, maybe Paul Lehr