Kiek, Sidney Noel. <br/><br/>
The weathering of soils in unsealed roads in Papua New Guinea :  based on the mineralogy and electrochemistry of the process / 
S. Noel Kiek. 
 - Lae :  Papua New Guinea University of Technology,  1977. 
 - 152, [187] leaves :  ill., maps. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads, Earth.<br/>Soils and climate--Papua New Guinea.<br/>Road materials--Testing.--Papua New Guinea<br/>Weathering--Papua New Guinea.<br/>Soil mechanics--Papua New Guinea.<br/>Soil mineralogy--Papua New Guinea.<br/>Soil chemistry.<br/>Roads--Design and construction--Papua New Guinea.