How well do you know your Soviet era MBTs?
Check out this useful, if not entirely unbiased, guide:
http://sturgeonshouse.ipbhost.com/index.php?/topic/961-communist-tracked-boxes-with-pancake-turrets-dont-you-dare-to-confuse-glorious-t-80-battle-tank-with-kharkovite-t-64-tractor-that-doesnt-work/