KIRCHUBEL Robert Operation Barbarossa 1941 (3) : Army Group Center / Robert Kirchubel ; illustrated by Peter Dennis. - Oxford : Osprey , 2007 - 96 p.: ill. - Campaign. 186 . ISBN: 9781846031076 (pbk) : 49.95 SGD Subjects--Topical Terms: SECOND WORLD WAR--EASTERN FRONTSECOND WORLD WAR--RUSSIA