Episode 84 of The Trigan Empire
The Search for Sibelius
aka Search Mission
De maan Gallas (Dutch title)
The Moon Gallas (Dutch title, translated)
The Search for Sibelius was originally published in 15 installments in issues 1013 (8 August 1981) to 1027 (14 November 1981) of Look and Learn magazine.
Installments
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
Links
Plot summary (Dutch)