==وصلات خارجية==* Near Surface Geophysics Focus Group (AGU)* The Near-Surface Geophysics Section of the Society of Exploration Geophysicists (SEG)* Near Surface Geophysics: A Resource for all Things Geophysical
==Notes====References====External links==*Near Surface Geophysics Focus Group (AGU)*The Near-Surface Geophysics Section of the Society of Exploration Geophysicists (SEG)* Near Surface Geophysics: A Resource for all Things Geophysical