TY  - BOOK
AU  - Rich, Linvil G.
TI  - Environmental systems engineering / Linvil G. R
SN  - 0-07-052250-2
U1  - 620.8 R589e 
CY  - New York : Mcgraw-Hill
KW  - 1. INGENIERIA SANITARIA \ 2. INGENIERIA AMBIENTAL
ER  -