Löffler, E.; Mackenzie, D. E.; Webb, A. W. (1980). "Potassium-argon ages from some of the Papua New Guinea highlands volcanoes, and their relevance to Pleistocene geomorphic history". Journal of the Geological Society of Australia. 26 (7–8): 387–397. Bibcode:1979AuJES..26..387L. doi:10.1080/00167617908729105.
Leahy, Michael (March 1936). "The Central Highlands of New Guinea". The Geographical Journal. 87 (3). The Geographical Journal, Vol. 87, No. 3: 229–260. doi:10.2307/1786763. JSTOR1786763.
harvard.edu
ui.adsabs.harvard.edu
Löffler, E.; Mackenzie, D. E.; Webb, A. W. (1980). "Potassium-argon ages from some of the Papua New Guinea highlands volcanoes, and their relevance to Pleistocene geomorphic history". Journal of the Geological Society of Australia. 26 (7–8): 387–397. Bibcode:1979AuJES..26..387L. doi:10.1080/00167617908729105.
Leahy, Michael (March 1936). "The Central Highlands of New Guinea". The Geographical Journal. 87 (3). The Geographical Journal, Vol. 87, No. 3: 229–260. doi:10.2307/1786763. JSTOR1786763.