TY - BOOK T1 - Geotechnology an introductory text for students and engineers A1 - Roberts, Albert F., 1911- LA - English PP - Oxford PB - Pergamon Press Ltd. YR - 1977 ED - 1st ed. UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217608930804 OP - 347 CN - TA 705 R56 1977 SN - 008196020 KW - Engineering geology. ER -