Transkription:
GALBRAITH, Ian C
Naturv. Inst
Sv
Londn. Brit. Mus. Nat. hist.
Se: Bulletin of the British Museum (Natural history).Zoology.
Vol.4:4. Variation, relationships and evolution in the Pachycephala
pectoralis superspecies (Aves,Muscicapidae). 1956.