00622nam a2200205Ia 4500001000700000003000500007008004100012010001100053040000900064082001300073100003200086245010800118260004800226300001000274440006400284500000500348503001100353650001600364650003600380Z_1102CHAP220113s1989    xx            000 0 und d  a164182  cCHAP  a633.2 L3  aLauenroth, W              K  aSecondary succession and the evaluation of rangeland condition  /cby W. K. Lauenroth and W. A. Laycock  aBoulder, Colorado  :bWestview Press,c1989  a163 p  aWestview special studies in agricultural science and policy  a  a156776  aPastizales   aPastos I. Laycock, W. A. II. t.