00604nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002400076111009400100245007300194260002600267300001100293440003800304650003500342710004500377Para_7649CHAP220125s1971    xx            000 0 und d  a206543  cCHAP  aPA 632.9061 S9 1970  aSymposium on the sterility principle for insect control or eradication ( 4: 1970: Athens)  aSterility principle for insect control or eradication  /c IAEA, FAO  aVienna :b La agencia  a542 p.  aProcedings series STI / Pub ; 265  aControl de plagas x congresos  aInternational Atomic Energy Agency / FAO