S. Plutniak, A. A. Oktaviana, B. Sugiyanto, J. M. Chazine, and F. X. Ricaut, “New ceramic data from East Kalimantan: Pottery chronology and the cord-marked and red-slipped sherds of Liang Abu’s layer 2”, JPacArch, vol. 5, no. 1, pp. 90–99, Feb. 2014.