00333nam a2200133Ia 450000500170000008000190001710000370003624500410007326000260011430000100014058300190015094200130016999900170018220260716043109.0  a16.02.02 W9271  aWorld Meterological Organization  aReport on water resources assessment  bUNESCOaParisFRc1991  a64 p.  c3/7/00kM2LMGR  cMmW9271  c40256d40256