TY  - BOOK
AU  - Rich,Linvil Gene
TI  - Environmental systems engineering / 
T2  - McGraw-Hill series in water resources and environmental engineering
SN  - 0070522502
AV  - TD145 .R49
U1  - 620.8 
PY  - 1973///
CY  - New York
PB  - McGraw-Hill, 
KW  - Environmental engineering
KW  - Sanitary engineering
N1  - Includes bibliographical references
ER  -