00446nam a2200169Ia 4500001000600000003000500006008004100011010001100052040000900063082001400072100002800086245006000114260003200174300002200206503001100228650003700239Z_972CHAP220113s1989    xx            000 0 und d  a164048  cCHAP  a633.2 H65  aHolmes, Colín William  aGrass : its production and utilization  /cby W. Holmes  aLondon  :bBlackwell,c1989  a306 p. : gráfs.  a151882 7aPastos forrajerosxRendimiento2