00290nam a2200109Ia 450000500170000000800410001703500090005810000160006724500210008326000320010465000440013620251022063852.0251022s9999||||xx |||||||||||||| ||und||  a1927  aE.C. Pielou 0aEnergy of Nature  bUniv of Chicago Pressc2001  aC-05:Opportunities and Emerging Science