Sewerage and sewage treatment
628.3
K94S
Kshirasagar, S R
 Sewerage and sewage treatment \ S R Kshirasagar - 2nd - Roorkee : Roorkee Publishing House, 1965.
 vii, 369p.
54642
  Subjects: Sewerage; Sewage-Purification; Sewerage-Maintenance on repair.

