TY  - BOOK
AU  - Tchobanoglous,George
AU  - Schroeder, Edward D.
TI  - Water quality: characteristic, modelling, modification 
SN  - 0201054337
AV  - TD365  .T38 1985
PY  - 1985///
CY  - Massachusettes
PB  - Addison-Wesley
KW  - Water quality
ER  -