Ben Kiernan; Owen, Taylor. "Bombs over Cambodia". The Walrus (October 2006): 62–69. http://www.yale.edu/cgp/Walrus_CambodiaBombing_OCT06.pdf. "Previously, it was estimated that between 50,000 and 150,000 Cambodian civilians were killed by the bombing.
"Given the five-fold increase in tonnage revealed by the database, the number of casualties is surely higher."
