Gwee, Chyi Yin (2017). "Bioacoustic and multi-locus DNA data of Ninox owls support high incidence of extinction and recolonisation on small, low-lying islands across Wallacea". Molecular Phylogenetics and Evolution. 109: 246—58. doi:10.1016/j.ympev.2016.12.024. PMID28017857.
Gwee, Chyi Yin (2017). "Bioacoustic and multi-locus DNA data of Ninox owls support high incidence of extinction and recolonisation on small, low-lying islands across Wallacea". Molecular Phylogenetics and Evolution. 109: 246—58. doi:10.1016/j.ympev.2016.12.024. PMID28017857.