00398nam a2200133Ia 450000500170000008000190001710000220003624501180005826000300017630000090020658300190021594200130023499900170024720260716043035.0 a17.05.05 G5435 aGladwell, John S. aInternational programme for environmentally sound hydrologic and water management strategies in the humid tropics b[UNESCO]a[Paris]FRc1989 a9 p. c3/7/00kM2LMGR cMmG5435 c39216d39216