00498nam a2200145Ia 4500008004100000082002100041100002000062245003900082260004900121300001400170600006000184600003300244600003500277650004000312140224s9999    xx            000 0 und d  a632.732.1:633 L5  aJeppson, Lee R.  aMites injurious to economic plants  aLondonbUniversity of California Pressc1975  axix,614p.  a Lee R.Jeppson, Hartford H.Keifer (and) Edward W.Baker.  aBaker, Edward W., jt. author  aKeifer, Hartford H., jt. auth.  aMites as carriers of disease,Crops.