00458nam a2200169Ia 4500008004100000020001500041082001700056100002000073245003900093260005100132300000800183650001800191650002400209653001000233700002100243700002400264170901s1975    xx            000 0 und d  a0520023811  a595.42bJ43M  aJeppson, Lee R. 0aMites Injurious to Economic Plants  aBerkeleybUniversity of California Pressc1975  a614  aPure Sciences  aZoological sciences  aMites  aBaker, Edward W.  aKeifer, Hartford H.