Banham, S. G. and Pringle, J. K., 2011, Geophysical and intrusive site investigations to detect an abandoned coal-mine access shaft, Apedale, Staffordshire, UK. Near Surface Geophysics 9, doi: 10.3997/1873-0604.2011028.
Benson, R., Kaufmann, R., Yuhr, L. and Hopkins, R., 2003, Locating and characterizing abandoned mines using microgravity. Geophysical Technologies For Detecting Underground Coal Mine Voids Forum, 28–30 July, Lexington, Kentucky, USA, Expanded Abstracts.
Bishop, I., Styles, P., Emsley, S. J. and Ferguson, N. S., 1997. The detection of cavities using the microgravity technique: case histories from mining and karstic environments, Geological Society, London, Engineering Geology Special Publications, 12, 153-166.
Blecha, V. and Mrlina, J., 2001, Microgravity prospecting for the voids in an abandoned coal-working field.Proceedings of 7th European Meeting of Environmental and Engineering Geophysics, Birmingham, UK.
Branston, M. W. and Styles, P., 2006, Site characterization and assessment using the microgravity technique: A case history, Near Surface Geophysics 4, 377–385.
Butler, D. K., 1980, Microgravimetric techniques for geotechnical applications. Miscellaneous Paper GL-80-13. US Army Engineer Waterways Experiment Station, Vicksburg, Mississippi, USA.
Butler, D. K., 1984, Microgravimetric and gravity gradient techniques for detection of subsurface cavities, Geophysics 49, 1084–1096.
Camacho, A. G., Ferna´ndez, J. and Gottsmann, J., 2011, The 3- D gravity inversion package GROWTH 2.0 and its application to TenerifeIsland, Spain, Computers & Geosciences 37, 621–633.
Camacho, A., G., Montesinos, F. G. and Vieira, R., 2002, A 3- D gravity inversion tool based on exploration of model possibilities. Computers & Geosciences 28, 191–204.
Camacho, A. G., Montesinos, F. G. and Vieira, R., 2000, A 3-D gravity inversion by means of growing bodies, Geophysics 65, 95–101.
Camacho, A. G., Nunes, J. C., Ortiz, E., Franc-a, Z. and Vieira, R., 2007, Gravimetric determination of an intrusive complex under the island of Faial (Azores). Some methodological improvements. Geophysical Journal International 171, 478–494.
Debeglia, N., Bitri, A. and Thierry, P., 2006, Karst investigations using microgravity and MASW, Application to Orléans, France, Near Surface Geophysics 4, 215-225.
Hinze, W. J. 1990, The role of gravity and magnetic methods in engineering and environmental studies. In: Geotechnical and Environmental Geophysics: Investigations in Geophysics, No. 5, Vol. 1 (ed. S.H. Ward), pp. 75–126. SEG.
Kaufmann, R. D. and DeHan, R. S., 2007, Microgravity mapping of karst conduits within the Woodville Karst Plain of North Florida, Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP ’07), Denver, Colorado, USA, Expanded Abstracts, 1517–1526.
Kis, L. and Szabo, Z., 2005, Microgravimetric investigations for shallow depth cavity detection, 11th Near Surface meeting, Palermo, Italy, Expanded Abstracts, P025.
McDowell, P. W., 2002, Geophysicsin Engineering Investigations, Geological Society Publishing House.
Nabighian, M., Ander, M., Grauch, V., Hansen, R., LaFehr, R., Li1, Y., Pearson, W., Peirce, W., Phillips, J. and Ruder, M., 2005, Historical development of the gravity method in exploration, Geophysics 70, 63–89.
Renee, R. M., 1986, Gravity inversion using open, reject, and “shape-of-anomaly” fill criteria, Geophysics 51(4), 988-994.
Rybakov, M., Goldshmidt, V., Fleischer, L. and Rotstein, Y., 2001, Cave detection and 4-D monitoring: a microgravity case history near the Dead Sea, The Leading Edge 20, 896–900.
Sarma, D. D. and Selvaraj, J. B., 1990, Two dimensional orthonormal trend surfaces for processing. Computer & Geosciences Vol. 16, No. 7, 897-909.
Seigel, H. O., 1995, High Precision Gravity Survey Guide.Scintrex Ltd.
Yule, D. E., Sharp, M. K. and Butler, D. K., 1997, Microgravity investigations of foundation conditions, Geophysics 63, 95–103.
Telford, W. M., Geldart, L. P., Sheriff, R. E. and Keys, D. A., 1976, Applied Geophysics, CambridgeUniversity Press.