00339nam a2200109Ia 4500008004100000082002200041100002300063245006200086260004200148300000900190650003000199140113s9999    xx            000 0 und d  a632.7(083.8) H3.1  a" Thompson, W. R."  aA catalogue of the prasites and predators of insect pests  b"Imperial Agricultural Bureaux, 1943"  a99p.  aPredators of insect pests