000 00487nam a2200181Ia 4500
000
003 UNITRU
005 20240201152624.0
008 240131b |||||||| |||| 00| 0 spa d
040 _cUNITRU
041 _hspa
082 _a665.7/R81/
100 _aTarziján, JorgeParedes, Ricardo
245 0 _aBasic environmental technology: water supply, easte management, and pollution control
260 _bPearson
260 _c2006
942 _h665.7/R81/
999 _c53477
_d53477