000 003520000a22001450004500
008 151215t1975 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a627.1
_bW6
942 _cBK
110 _aWorld Meteorological Organization
245 _aHydrological forecasting practice
260 _aGeneva
_bWMO
_c1975
440 _aWMO
440 _aNo.425
999 _c138635
_d138635