00465nam a2200157Ia 4500008004100000020001500041082001600056100003000072245005700102250000600159260004400165300000800209650003700217650003400254653001900288170901s1973    xx            000 0 und d  a9241541407  a648.7bW83S  aWorld Health Organization 0aSpecifications for pesticidesbUsed In Public Health  a4  aGenevabWorld Health Organizationc1973  a333  aHome Economics and Family Living  aTechnology (Applied sciences)  aPesticides use