00521nam a2200205Ia 4500001000700000003000500007008004100012010001100053040000900064082001400073100004100087245006600128260004900194300001100243440000500254500001600259503000500275650001200280650002300292Z_4730CHAP220113s1990    xx            000 0 und d  a167779  cCHAP  a633.2 L35  aLanger, R             H            M  aPastures their ecology and management  /cby  R. H. M. Langer  aMelbourne  :bOxford University Press,c1990  a499 p.  a  aFotocopía  a  aPastos   aPlantas forrajeras