00384nam a2200145Ia 4500001001000000003000500010008004100015010001100056040000900067100002100076245006400097260004000161300001000201650002700211Para_6641CHAP220125s1989    xx            000 0 und d  a205461  cCHAP  aWeihing, John L.  aControl of lawn diseases in Nebraska /c by John L. Weihing  aNebraska :b University of Nebraska  a16 p.  aPastos x enfermedades