Cite
MLA Citation
British Standards Institution,. Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE).. London : British Standards Institution, 2007. http://access.bl.uk/ark:/81055/vdc_100105037499.0x000001