005700000a22001450004500003000900000005001700009110007900026245011900105264010500224490004500329300001000374041000800384650001100392650002100403PH-MaWHO20241108112133.0  aSeminar on Waste Stabilization Ponds Design and Operation (1980 : Lahore).  aWaste stabilization ponds design and operation : report [of a] Seminar, Lahore, 29 December 1979 - 5 January 1980.  aAlexandria : bWorld Health Organization (WHO) Regional Office for the Eastern Mediterranean,c1980.  a(WHO/EMRO Technical publication ; no. 3)  a341p.  aeng  aSewage  aIndustrial waste