Singh, Gurcharan.
Water supply and sanitary engineering / Gurcharan Singh. - 3rd ed. - Nai Sarak, Delhi : Standard Publishers Distributors, 1984. - 607 p. ; 21 cm.
Water Supply Engineering.
Sanitary Engineering.
TD345 / S617
Water supply and sanitary engineering / Gurcharan Singh. - 3rd ed. - Nai Sarak, Delhi : Standard Publishers Distributors, 1984. - 607 p. ; 21 cm.
Water Supply Engineering.
Sanitary Engineering.
TD345 / S617