C. C. Swisher III, W. J. Rink, S. C. Antón, H. P. Schwarcz, G. H. Curtis und A. Suprijo Widiasmoro: Latest Homo erectus of Java: Potential Contemporaneity with Homo sapiens in Southeast Asia. In: Science. Band 274, Nr. 5294, 1996, S. 1870–874, doi:10.1126/science.274.5294.1870