books.google.no - On December 27, 1979, the USSR invaded Afghanistan to save an endangered communist regime. The People's Democratic Party of Afghanistan, founded in 1965 but almost immediately riven into two hostile wings, had been induced by Moscow into unifying in 1977 in order to seize power the following year. Within...http://books.google.no/books/about/Afghanistan_s_Two_Party_Communism.html?hl=no&id=cd85ioPsz6cC&utm_source=gb-gplus-shareAfghanistan's Two-Party Communism