@book{Martin Vermeer2018,
author = "Martin Vermeer and Getachew Tesfaye Ayehu",
address = "Helsink, Finl{\^a}ndia",
editor = "Aalto University’s Department of the Built Environment",
keywords = "photogrammetry",
publisher = "Aalto University’s Department of the Built Environment",
title = "{D}igital {A}erial {M}apping – a {H}ands-{O}n {C}our",
url = "http://users.aalto.fi/~mvermeer/book.pdf",
year = "2021",
}