Cite
HARVARD Citation
Institution,, B. (1995) Plastics piping and ducting systems. Pipes and fittings of unplasticized poly(vinyl chloride) (PVC-U). Specimen preparation for determination of the viscosity number and calculation of the k-value.. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100104518818.0x000001