TY  - BOOK
AU  - Logsdon,Gary S.
TI  - Water filtration practices: including slow sand filters and precoat filtration 
SN  - 1583215956 (pbk.)
PY  - 2008///
CY  - Denver, CO
PB  - American Water Works Association
KW  - Water
KW  - Purification
KW  - Filtration
KW  - Slow sand filtration
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/toc/ecip0822/2008029708.html
ER  -