01626nam a2200397I 4500001171966MiAaHDL20251210000000.0m d cr bn ---auaua830622s1921 nyu b 000 0 eng 21007485sdr-hvd.990063453220203941sdr-wu6701429sdr-miu.990011719660106381sdr-nrlf.b143327483sdr-coo1267781(MH)006345322HVD01-Aleph(MH)Aleph006345322(OCoLC)80453510(OCoLC)9633654DLCWPGHLSZ5853.S22P7 1921ZTD 756P846 1921Porter, J. Edward(James Edward),1870-The activated sludge process of sewage treatment;a bibliography of the subject, with brief abstracts, patents, news items, etc. comp. mainly from current literature.2d ed.by J. Edward Porter.Rochester, N. Y.,General filtration company, inc.,1921.117 p.23 cm.Mode of access: Internet.Sewage disposalBibliography.BibliographiesfastOnline version:Porter, J. Edward (James Edward), 1870-Activated sludge process of sewage treatment.2d ed.Rochester, N.Y., General filtration company, inc., 1921(OCoLC)57662101700117196620250501000000.020251210000000.020251216140546.02025-12-17T07:45:07Z2024-11-14T18:30:02ZSDR-HVDhvdALMAprepare.pl-004-009BKsdr-hvd.990063453220203941hvdSDRHVDhvd.32044091882357HVD990063453220203941HVDHVD20251217googlehvd.320440918823571921pdbibUS bib date1 < 1931WUWU20250502googlewu.890889023251921pdbibUS bib date1 < 1931WUWU20250502googlewu.890950493591921pdbibUS bib date1 < 1931MIUMIU20260310googlemdp.390150210929711921pdbibUS bib date1 < 1931ia.activatedsludgep00portrichUCINRLF20250502iauc2.ark:/13960/t85h7dj9v1921pdbibUS bib date1 < 1931ia.cu31924005016419COOCOO20250502cornell-mscoo1.ark:/13960/t55d9c9391921pdbibUS bib date1 < 1931