tanks. See also Notes Notes Citations References Lamontagne, J.G. Pierre (2003). Are the Days of the Main Battle Tank Over?. North York, Ontario: Canadian Forces College. (PDF ) Sewell, Stephen 'Cookie' (1998). "Why Three tanks? ", in Armor vol 108, no 4, p 21. Hunnicutt, R. P. (1984). "Patton: A History of the American Main Battle Tank." Presidio Press. . External links Armoured warfare