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-13 978-1-351-61992-9") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Mon Feb 3 01:28:34 2020, so the data displayed here has been removed .