There has been data ("Foreign Intervention, Warfare and Civil Wars: The Effect of External Assistance on Belligerents (Routledge Studies in Civil Wars and Intra-State Conflict) - ISBN-13 978-1-351-61991-2") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Aug 16 21:33:47 2019, so the data displayed here has been removed .