TY  - BOOK
AU  - Spellman,Frank R.
TI  - Mathematics manual for water and wastewater treatment plant operators
SN  - 1566706750 (pbk. : acid-free paper)
PY  - 2004///
CY  - Boca Raton, Fla.
PB  - CRC Press
KW  - Water
KW  - Purification
KW  - Mathematics
KW  - Water quality management
KW  - Problems, exercises, etc
KW  - Sewage
KW  - Sewage disposal
N1  - Includes index
ER  -