Name Last modified Size Parent Directory - Turchin 2003 sect 1.2.pdf 2005-08-26 15:39 1.8M Platt 1964 Sci.pdf 2005-06-13 19:06 1.8M Dayton 1973 AmNat.pdf 2005-06-13 19:08 973K Chamberlin 1890.pdf 2005-05-25 15:49 747K