Cite
HARVARD Citation
Institution,, B. (2023) Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics shafts or risers for inspection chambers and manholes. Determination of resistance against surface and traffic loading.. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100172732245.0x000001