TY - BOOK AU - Azhari Ahmad AU - Jamaludin Othman TI - Geophysical investigations of sinkhole occurrences at the Sungai Besi Toll Plaza on the Kuala Lumpur-Seremban Highway PY - 1987/// KW - Geophysics KW - Sungai Besi KW - Kuala Lumpur N1 - Includes bibliographical references N2 - In order to achieve this objective, the survey aim to provide the following, low velocity zone from the seismic refraction, sharp lateral resistivity variations by electrical profiling, sub-surface target which cause perturbations of electrical potential field in graphical pole-dipole resistivity technique ER -