Cite
HARVARD Citation
Institution,, B. (1999) Castors and wheels. Castors and wheels for applications over 1, 1 m/s (4 km/h) and up to 4, 4 m/s (16 km/h). [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100104851928.0x000001