Gerschenkron, Alexander (1955). "A Soviet heavy industry. A dollar index of output, 1927/1928–37". Review of Economics and Statistics. 37 (2): 120–130. doi:10.2307/1925743. JSTOR1925743.
Gerschenkron, Alexander (1955). "A Soviet heavy industry. A dollar index of output, 1927/1928–37". Review of Economics and Statistics. 37 (2): 120–130. doi:10.2307/1925743. JSTOR1925743.