00331nam a2200109Ia 450000500170000008000180001724501240003526000260015930000100018550000070019558300190020220260716043112.0  a17.05.05 P962  aA Programme for the humid tropics : water-related issues and problems of the humid tropics and other warm humid regions  bUNESCOaParisFRc1990  a32 p.  aDC  c3/7/00kM2LMGR