Cite
HARVARD Citation
Institution,, B. (2021) Plastics piping systems for non-pressure underground drainage and sewerage. Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE).. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100136704857.0x000001