00276nam a22001097a 4500003000400000008004100004082001700045100001500062245005000077260003100127300000800158OSt230613b        |||||||| |||| 00| 0 eng d  a631.4bZ.313  aMartin, H.  aThe Scientific Principles of Crops Protection  aBishan SinghbArnoldc1964  a376