Alvin D. Coox, L. Van Loan Naisawald, [url=https://web.archive.org/web/20190717223049/http://cdm16635.contentdm.oclc.org/cdm/ref/collection/p16635coll14/id/56035 Survey of Allied Tank Casualties of World War II], Technical Memorandum ORO-T-117, Johns Hopkins University Operations Research Office, Baltimor, 1954