Leon Trotsky's version is set out in "A Sharp Turn: “The Five Year Plan in Four Years” and “Complete Collectivization”" in The Revolution Betrayed 1936 ↑ Deutscher, Isaac, Stalin, pp296ff, Penguin, (1966) ↑ Deutscher, Isaac, Stalin, p324, Penguin, (1966) ↑ This section is adopted in part from a public domain article by David Walters for the Marxists Internet Archive's Encyclopedia of Marxism. ↑ Roediger, David; Kelley, Robin D. G.