Reynolds, Tom D. Unit operations and processes in environmental engineering / Tom D. Reynolds, Paul A. Richards. - 2a ed. - Boston : PWS, c1996 - xvi, 798 p. : il. ; 24 cm. - PWS Series Engineering . Incluye apéndice, glosario e índice ISBN: 0534948847 Subjects--Topical Terms: Agua--Purificación Ingeniería ambiental LC Class. No.: TD430 / R49 1996