(subclass NorthCentralBirdsHeadLanguage BirdsHeadLanguage) | Languages.kif 13671-13671 | NorthCentralBirdsHeadLanguage e' uma sub-classe de BirdsHeadLanguage |
(subclass CentralBirdsHeadLanguage NorthCentralBirdsHeadLanguage) | Languages.kif 13678-13678 | CentralBirdsHeadLanguage e' uma sub-classe de NorthCentralBirdsHeadLanguage |
(subclass NorthBirdsHeadLanguage NorthCentralBirdsHeadLanguage) | Languages.kif 13707-13707 | NorthBirdsHeadLanguage e' uma sub-classe de NorthCentralBirdsHeadLanguage |