00296nam a2200097Ia 4500008004100000082002200041100004100063245005400104260003200158300000800190140113s9999    xx            000 0 und d  a632.934:614.7  L4  a"Irvine, D.E.G. & Knights, B., Eds."  aPollution and the use of chemicals in agriculture  a1974bButterworthscEngland  a136