00430nam a2200097Ia 4500008004100000082004600041100011400087245007800201260002600279650002700305140224s9999    xx            000 0 und d  a631.001.5+374(100) 1979.9.3/.7 (082.2) M3  aInternational Symposium of Agricultural Research and Education Systems for Development, Delhi, Sep.3-7, 1979.  aAgricultural Research and Education Systems for Development; proceedings.  aNew DelhibICARc1983  aAgricultural Extension