Global Volcanism Program
[ar] برنامج البراكين العالمي
[ca] Global Volcanism Program
[eo] Tutmonda Vulkanisma Programo
[es] Programa de Vulcanismo Global
[fr] Global Volcanism Program
[id] Global Volcanism Program
[ilo] Programa ti Global a Bulkanismo
[ja] Global Volcanism Program
[pl] Global Volcanism Program
[pt] Programa Global de Vulcanismo