00465    a2200133   4500020001500000082001500015100002900030245006000059260007300119300002000192650004100212650004100253700003700294  a9555890730  a630.2bWIK  aWikramanayake, V. E. A.   aCollection of lecture notes in agricultural engineering  aSri LankabAgricultural engineering society of Sri Lankac2004g2004  axxi,135p.c25cm  aMiscellany and scientific principles  aAgriculture and related technologies  aDe Silva, Ranjith Premalal eed.