Kaifu, Y; Aziz, F; Indriati, E; Jacob, T; Kurniawan, I; Baba, H (Oct 2008). „Cranial morphology of Javanese Homo erectus: new evidence for continuous evolution, specialization, and terminal extinction”. Journal of Human Evolutionsvezak 55 (broj 4): str. 551. – 580.. DOI:10.1016/j.jhevol.2008.05.002. ISSN0047-2484. PMID18635247.
Kaifu, Y; Aziz, F; Indriati, E; Jacob, T; Kurniawan, I; Baba, H (Oct 2008). „Cranial morphology of Javanese Homo erectus: new evidence for continuous evolution, specialization, and terminal extinction”. Journal of Human Evolutionsvezak 55 (broj 4): str. 551. – 580.. DOI:10.1016/j.jhevol.2008.05.002. ISSN0047-2484. PMID18635247.
Kaifu, Y; Aziz, F; Indriati, E; Jacob, T; Kurniawan, I; Baba, H (Oct 2008). „Cranial morphology of Javanese Homo erectus: new evidence for continuous evolution, specialization, and terminal extinction”. Journal of Human Evolutionsvezak 55 (broj 4): str. 551. – 580.. DOI:10.1016/j.jhevol.2008.05.002. ISSN0047-2484. PMID18635247.