Derevianko, A. P.; Kandyba, A. V.; Nguyen, Khac Su; Gladyshev, S. A.; Nguyen, Gia Doi; Lebedev, V. A.; Chekha, A. M.; Rybalko, A. G.; Kharevich, V. M.; Tsybankov, A. A. (21. september 2018). »The Discovery of a Bifacial Industry in Vietnam«. Archaeology, Ethnology & Anthropology of Eurasia. 46 (3): 3–21. doi:10.17746/1563-0110.2018.46.3.003-021. ISSN1531-832X. S2CID229297187.
Derevianko, A. P.; Kandyba, A. V.; Nguyen, Khac Su; Gladyshev, S. A.; Nguyen, Gia Doi; Lebedev, V. A.; Chekha, A. M.; Rybalko, A. G.; Kharevich, V. M.; Tsybankov, A. A. (21. september 2018). »The Discovery of a Bifacial Industry in Vietnam«. Archaeology, Ethnology & Anthropology of Eurasia. 46 (3): 3–21. doi:10.17746/1563-0110.2018.46.3.003-021. ISSN1531-832X. S2CID229297187.
Derevianko, A. P.; Kandyba, A. V.; Nguyen, Khac Su; Gladyshev, S. A.; Nguyen, Gia Doi; Lebedev, V. A.; Chekha, A. M.; Rybalko, A. G.; Kharevich, V. M.; Tsybankov, A. A. (21. september 2018). »The Discovery of a Bifacial Industry in Vietnam«. Archaeology, Ethnology & Anthropology of Eurasia. 46 (3): 3–21. doi:10.17746/1563-0110.2018.46.3.003-021. ISSN1531-832X. S2CID229297187.