1. Adams REW (1980) Swamps, canals, and the location of ancient Maya cities. Antiquity 54(212):206–214
2. Aerial Archaeology Research Group. https://a-a-r-g.eu
3. Aqdus SA, Drummond J, Hanson WS (2008) Discovering archaeological cropmarks: a hyperspectral approach. In: Chen J, Jiang J, Maas H-G (eds) XXIst Congress of the International Society for Photogrammetry and Remote Sensing, Technical Commission V, July 3–11, 2008, Beijing, China. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XXXVII, Part B5, pp 361–365
4. Avery TE, Lyons TR (1981) Remote sensing: aerial and terrestrial photography for archaeologists. Cultural Resources Management Division, National Park Service, US Dept. of the Interior, Washington, DC
5. Barber M (2011) A history of aerial photography and archaeology: Mata Hari’s glass eye and other stories. English Heritage, Swindon