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Welcome to P K Kelkar Library, Online Public Access Catalogue (OPAC)

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1.
ACTIVATED SLUDGE

by Gray, N. F.

Material type: book Book; Format: print ; Literary form: not fiction Description: ix,272.Publisher: Oxford University Pr. 1990Availability: Items available for loan: PK Kelkar Library, IIT Kanpur [Call number: 628.354 G793a] (1).

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2.
WATER TECHNOLOGY

by Gray,N. F.

Edition: 2ndMaterial type: book Book; Format: print ; Literary form: not fiction Description: xx,645.Publisher: Elsevier Butterworth-Heinemann, Burlington, Ma 2005Availability: Items available for loan: PK Kelkar Library, IIT Kanpur [Call number: 628.1 G793W2] (1).

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3.
BIOLOGY OF WASTEWATER TREATMENT

by Gray,N. F | Bell,J. N.B.

Edition: 2d.Material type: book Book; Format: print ; Literary form: not fiction Description: xviii,1421.Publisher: Imperial College Press, London 2004Availability: Items available for loan: PK Kelkar Library, IIT Kanpur [Call number: 628.351 G793B2] (1).

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