4867883 High-rate biological waste water treatment process using activated sludge recycle
1996 ◽
Vol 354
(1)
◽
pp. 66-71
◽
1978 ◽
Vol 6
(1)
◽
pp. 1-12
◽
2012 ◽
Vol 2012
(3)
◽
pp. 600-614
◽
1986 ◽
pp. 167-173
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