Second nature : economic origins of human evolution / Haim Ofek. Ofek, Haim, 1936- Human evolution. Economics, Prehistoric. Commerce, Prehistoric. Economic history. GN281.4 .O35 2001 306.3093 21 OFS Includes bibliographical references (p. [228]-236) and index. Cambridge, U.K. ; New York : Cambridge University Press, 2001. 2001. 2001 Text 254 p. : http://www.loc.gov/catdir/samples/cam031/00036293.html http://www.loc.gov/catdir/description/cam021/00036293.html http://www.loc.gov/catdir/toc/cam025/00036293.html http://www.loc.gov/catdir/enhancements/fy0731/00036293-b.html eng