00278nam a2200097Ia 4500008004100000082002200041100002500063245003900088260004500127300000800172140113s9999    xx            000 0 und d  a632.95:631.4   M0  a"Khan, Shahamat. U."  aPesticides in the soil environment  a1980bElsevier Publishing Co.cAmsterdam  a240