Cite
APA Citation
Institution,, B. S. (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.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100104518818.0x000001