00493naa a2200181 a 450000100080000000500110000800800410001910000220006024500420008226000090012465300090013365300200014265300100016265300250017270000170019770000170021477300800023110432382006-03-06       1990    bl ---       0--  u    #d1 aPATWARDHAN, A. S,  aEffective rainfal estimation methods.  c1990  aAgua  aBalanco hidrico  aCiclo  aPrecipitacao efetiva1 aNIEBER, J.L.1 aJOHNS, E. L.  tJornal of Irrigation and Drainage Engineeringgv.116, n.2, p.182-193, 1990.