TY  - BOOK
AU  - Graham,N.J.D.
AU  - Collins,M.Robin
TI  - Advances in slow sand and alternative biological filtration
SN  - 0471967408 (acid-free paper)
U1  - 628.164 20
PY  - 1996///
CY  - Chichester, New York
PB  - John Wiley
KW  -  Water
KW  - Purification
KW  - Slow sand filtration
KW  - Fixed-film biological process
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/description/wiley032/96015933.html
UR  - http://www.loc.gov/catdir/toc/onix03/96015933.html
ER  -