TY - JOUR A1 - Chias, P. A1 - Abad, T. A1 - Echeverria, E. T1 - TERRESTRIAL AND AERIAL GROUND-PENETRATING RADAR IN USE FOR THE ARCHITECTURAL RESEARCHES: ANCIENT 16TH CENTURY WATER SUPPLY AND DRAINAGE AT THE MONASTERY OF EL ESCORIAL (MADRID, SPAIN) JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XL-5/W2 SP - 177 EP - 182 Y1 - 2013/07/19 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XL-5-W2/177/2013/ L1 - https://isprs-archives.copernicus.org/articles/XL-5-W2/177/2013/isprsarchives-XL-5-W2-177-2013.pdf DO - 10.5194/isprsarchives-XL-5-W2-177-2013 ER -