The fertilizer value of active sludge
By: by William Durrell Hatfield.
Publisher: Illinois state journal co., state printers
Published: 1921
Place of publication: [Springfield, Ill
Language: eng
Number of pages: 53
Subjects: Sewage disposal.; Fertilizers.
Notes: "References": p. 51-53.
Thesis (Ph. D.)--University of Illinois, 1918.
Vita.