00318nam a2200121Ia 4500008004100000082001700041100002100058245002600079260003400105300001300139600001900152650002500171140224s9999    xx            000 0 und d  a631.674.5 M7  aSivanappan, R.K.  aSprinkler irrigation/  aNew DelhibOxford & IBHc1987  avi,146p.  aR.K.Sivanappan  aSprinkler irrigation