004100000a2200145000450000500170000000800410001708200160005810000210007424500550009525000130015026000360016350400330019965000150023299900170024720251028083303.0191016s9999 xx 000 0 und d a627.52bLEL aLeliavsky, Serge 0aIrrigation and hydraulic design /cSerge Leliavsky aVol. III aLondon :bChapman & Hall,c1960 aIncludes references & index. aIrrigation c30920d30920