TY  - BOOK
AU  - Ball, E.F.
AU  - Webster, C.J.D., coaut.
ED  - Building Research Establishment (Inglaterra).
TI  - Some measurements of water-flow noise in copper and ABS pip-es with various flow velocities / E.F. Ball and C.J.D. Webs-ter
CY  - Watford [Inglaterra] : BRE
ER  -