The Transition to Agriculture (Arkistoitu – Internet Archive): Climate Reversals, Population Density, and Technical Change, Gregory K. Dow, Nancy Olewiler, and Clyde G. Reed, Department of Economics, Simon Fraser University, August 2005
The Transition to Agriculture (Arkistoitu – Internet Archive): Climate Reversals, Population Density, and Technical Change, Gregory K. Dow, Nancy Olewiler, and Clyde G. Reed, Department of Economics, Simon Fraser University, August 2005