TY  - BOOK
AU  - Postel, Sandra
TI  - Last oasis: facing water scarcity
SN  - 0-393-034
U1  - 333.91 
PY  - 1992///
CY  - New York
PB  - Worldwatch Institute
KW  - Agua
KW  - Medio Ambiente
N1  - 03728; Trouble on tap. Living within water`s limits. Toward water security
ER  -