4 0
Automation of wastewater treatment facilities. 6 6 [prepared by Automation of Wastewater Treatment Facilities Task Force of the Water Environment Federation ; under the direction of the Municipal Subcommittee of the Technical Practice Committee]. - third edition - - xxx, 546 pages : illustrations 25 cm. - - - - - . - WEF manual of practice no. 21 . - 0 . - . - 0 .
Includes bibliographical references and index.
5
5
978-0-07-147937-0 (hardcover)
2 = =
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Water treatment plants ----Automation.----20--
--------20--
----2
TD434 / .A984 20072
R 628.162 / Au82 20072
/
/
Automation of wastewater treatment facilities. 6 6 [prepared by Automation of Wastewater Treatment Facilities Task Force of the Water Environment Federation ; under the direction of the Municipal Subcommittee of the Technical Practice Committee]. - third edition - - xxx, 546 pages : illustrations 25 cm. - - - - - . - WEF manual of practice no. 21 . - 0 . - . - 0 .
Includes bibliographical references and index.
5
5
978-0-07-147937-0 (hardcover)
2 = =
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Water treatment plants ----Automation.----20--
--------20--
----2
TD434 / .A984 20072
R 628.162 / Au82 20072
/
/