Cite
APA Citation
Smith, D. J. (. J., & Simpson, K. G. L. (2016). Safety critical systems handbook : a straightforward guide to functional safety, IEC 61508 (2010 edition), IEC 61511 (2015 edition) and related guidance. Amsterdam : Butterworth-Heinemann. http://access.bl.uk/ark:/81055/vdc_100036556702.0x000001