Die unsichtbare Grenze
From Author Wars - https://authorwars.com/books/die-unsichtbare-grenze-1222374.html
Overview:
Editions/Publications:
- 1973 . Perry Rhodan, #600: Die unsichtbare Grenze (1973, Kurt Mahr, Pabel-Moewig, DM 1.20, 68 pages, digest, MAGAZINE)
- 1977 . Perry Rhodan, #600: Die unsichtbare Grenze (1977, Kurt Mahr, Pabel-Moewig, DM 1.50, 68+[4] pages, digest, MAGAZINE)
- 1984 . Perry Rhodan, #600: Die unsichtbare Grenze (1984, Kurt Mahr, Pabel-Moewig, DM 2.00, 68 pages, digest, MAGAZINE)
- 1989 . Perry Rhodan, #600: Die unsichtbare Grenze (1989, Kurt Mahr, Pabel-Moewig, DM 3.00, 68+68 pages, digest, MAGAZINE)
- 1994 . Perry Rhodan, #600/601 (1994, Kurt Mahr, Pabel-Moewig, DM 5.80, 132 pages, digest, MAGAZINE)