Cite
MLA Citation
British Standards Institution,. BS EN 17176-2 AMD1. Plastics piping systems for water supply and for buried and above ground drainage, sewerage and irrigation under pressure. Oriented unplasticized poly(vinyl chloride) (PVC-O).. London : British Standards Institution, 2021. http://access.bl.uk/ark:/81055/vdc_100134861566.0x000001