A study of the value of Pitometer survey in the determination of unaccounted for water in the Manila and suburbs water supply systems [microfilm]

Xehetasun bibliografikoak
Egile nagusia: Cruz, Ricardo L.
Formatua: Visual Material
Hizkuntza:English
Argitaratua: Quezon City Photoduplication Service, University of the Philippines Library 1976.
Gaiak: