00313nam a2200109Ia 4500008004100000082003100041100002300072245003100095260004800126300001000174650001900184140113s9999    xx            000 0 und d  a632.951:615.778.3:595.7 H6  a" Leary, James C."  aDDT and the insect problem  b"New York : McGraw-hill book company, 1946"  a176p.  aDDT and insect