(subclass WMDWeaponsResearchFacility StationaryArtifact) | WMD.kif 637-637 | WMDWeaponsResearchFacility e' uma sub-classe de Artefato Estacionario |
(subclass NuclearWeaponResearchFacility WMDWeaponsResearchFacility) | WMD.kif 664-664 | NuclearWeaponResearchFacility e' uma sub-classe de WMDWeaponsResearchFacility |