00609cam0a2200145i004500001000500000005001700005020001500022035001500037041001300052245021000065260004100275300004900316490004900365830004900414475020260715155244.0  a3490301900  atr986038031 aenghger10aManual for water level gauging and discharge measurements :bIssued in cooperation with Deutsche Gesellschaft fur Technische Zusammenarbeit /GTZ/ International Commission on Irrigation and Drainage /ICID/.  aHamburg :bVerlag Paul Parey,c1990.  aXVI, 258 s. :btab. , rys. , wykr. ;c30 cm.00aGuidelines for Water Management. No 301/1990 0aGuidelines for Water ManagementvNo 301/1990