00439nam a2200133Ia 4500008004100000082001500041100001300056245006200069260002700131650002600158942000700184999001700191952009700208220204s9999    xx            000 0 und d  a631.1bARN  aARNON, I 0aOrganisation and administration of agricultural research.  aLondonbElsevierc1968  aAgricultural research  cBK  c26907d26907  00104070aMAINbMAINd2021-12-16l0o631.1 ARNp07538r2021-12-16 00:00:00w2022-02-14yBK