00297nam a2200109 a 450000500170000000800410001704100080005810000180006624500480008426400440013230000110017620260716124435.0260701s1974    ii            000 0 eng d  aeng1 aSmith, Robert10aEcology and field biology /cSmith, Robert. 1aNew York :bJohn Wiley and Sons,c1974.  a850 p.