RT Journal Article SR Electronic(1) A1 Orfanos, C. A1 Apostolopoulos, G. A1 Amolochitis, G. A1 Leontarakis, K.YR 2008 T1 Integrated Geophysical Approach for the Detection of Underground Voids in a Construction Site JF , VO OP SP cp-40-00359 DO https://doi.org/10.3997/2214-4609.20147899 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.20147899