TY  - GEN
AU  - Wilson,Andrew
TI  - Tucson: a problem in uses of water
T2  - Publication, 74
KW  - Zone aride
KW  - Eau
KW  - Végétation
KW  - Etats Unis
KW  - Ouest
N1  - <Donation Engel>; bibliogr. p. 489
ER  -