1. Christie's Last Hurrah: In 1941 the Army Reappraised the Christie Suspension For Use on Tank Destroys;Hofmann;Armor,1991
2. Doctrine, Tank Technology, and Execution: I. A. Khalepskii and the Red Army's Fulfillment of Deep Offensive Operations;Hofmann;Journal of Slavic Military Studies,1996
3. Through Mobility We Conquer