//-->
Rynok chlebov i ego regulirovanie vo vremja vojny i revoljucii
Kondratʹev, Nikolaj D., (1991)
Global welfare consequences of export embargoes : an analysis of the US grain suspension
Lundborg, Per, (1986)
The US - USSR grain agreement
Porter, Roger B., (1987)
D. Gale Johnson : 1916 - 2003
Ruttan, Vernon W., (2004)
Comparative advantige and U.S. export and imports of farm products : paper prepared for National Agricultural Outlook Conference, Washington, Febr. 23, 1972
Johnson, D. Gale, (1972)
Population and economic development
Johnson, David Gale, (1999)