Khmers Stand Up!: A History of the Cambodian Government 1970-1975 - Justin J. Corfield - Google Books

https://books.google.de/books?id=rHBuAAAAMAAJ&pg=searchwithinvolume&q=%22son+sann%22&dq=%22sun%2Bsann%22

On the 17th of April 1975, the Khmer Rouge seized control of Phnom Penh and emptied it of its inhabitants. They attempted to obliterate the past and start again with Year Zero. This account is the story of what happened in the five tragic years leading up…