J. de Vos, S. Sartano, S. Hardja-Sasmita and P. Y. Sondaar (1982) “The fauna from Trinil, type locality of Homo erectus; a reinterpretation”, Netherlands Journal of Geosciences, pp. 207-211. Available at: https://njgjournal.nl/index.php/njg/article/view/13496 (Accessed: 2April2026).