books.google.com - This invaluable book provides an account of Operational Research in Britain, the country of its inception, from the late 1930s to 1970. Originating in response to the country's air defence needs against the Luftwaffe, Operational Research had outstanding achievements as part of the 'secret war' against...https://books.google.com/books/about/Operational_Research_in_War_and_Peace.html?id=DWITTpkFPEAC&utm_source=gb-gplus-shareOperational Research in War and Peace