@conference{22018, author = "Jo{\~a}o Araujo Ribeiro and Jorge Luis Nunes e Silva Brito and Orlando Bernardo Filho (in memoriam) and Irving da Silva Badolato and Rodrigo Dacome Lima and Guilherme L{\'u}cio Abelha Mota", booktitle = "Open Source Geospatial Research {\&} Education Symposium (OGRS2018)", keywords = "fotogrametria", title = "{E}-{F}oto: an educational photogrammetric workstation", url = "http://peerj.com/preprints/27210/", year = "2018", }