TY - BOOK AU - Kiek,Sidney Noel ED - Papua New Guinea Institute of Technology. TI - Southern Highlands Highway volcanic ash soils T2 - Bulletin PY - 1972/// CY - Lae PB - Papua New Guinea Institute of Technology, Civil Engineering Dept. KW - Southern Highlands Highway KW - Soil mechanics KW - Papua New Guinea KW - Southern Highlands Province KW - Highway engineering KW - Roads ER -