books.google.pl - Named after Klimenti Voroshilov, the People’s Commissar for Defence, the KVs proved a nasty surprise for German tank crews during the early days of Operation Barbarossa. Although slow, they were extremely heavily armoured. This volume examines the transition from multi-turreted tanks to heavy single-turret...http://books.google.pl/books/about/Kv_1_2.html?hl=pl&id=5EA5LrwmP2UC&utm_source=gb-gplus-shareKv-1 & 2
