00363nam a2200121Ia 4500008004100000041000800041084001300049100001700062245007100079260004000150490002700190653002400217160808s1982    xx            000 0 eng d  aeng  aX.482CC  aPatel, G. A.  aUse and marketing of plant protection appliances /cby G. A. Patel  aNew Delhi :bOxford & I B H,c1982.  aC M A Monograph Nov86  aEconomics - Siberia