000 005420000a22002050004500
001 20688
090 _a20688
100 _a20190520 frey50
101 _aeng
101 _afre
101 _aspa
102 _aFR
200 0 1 _aDischarge of selected rivers of the world = Débit de certains cours d'eau du monde = Caudal de algunos rios del mundo
_fUnesco
210 _aParis
_c1969
_dUnesco
215 _cil.
_d27 cm
225 _aStudies and reports in hydrology
317 _aIPIMAR
676 _a046 u
686 _aB 24
710 _aUnesco