Proceedings of CONSERV 90  the national conference and exposition offering water supplysolutions for the 1990s August 12-16 1990, Phoenix Civic Plaza, Phoenix, Arizona 

 - xxvii, 1310 p  il  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservación del agua - congresos<br/>Reciclaje del agua - congresos
<br/><br/><label>Dewey Class. No.: </label>333.91  / PRO