00284nam a2200097Ia 4500008004100000082002100041100003200062245003900094260004500133300000800178140113s9999    xx            000 0 und d  a632.7:581.6   L5  a"Jeppson, Lee.R., et al�"  aMites injurious to economic plants  a1975bUniv. of California PresscBerkley  a614