Cite
APA Citation
McKay, S. (2022). 50 codes that changed the world : discover and solve the ciphers that altered history. London : Headline. http://access.bl.uk/ark:/81055/vdc_100163654310.0x000001
This is an interim version of our Electronic Legal Deposit Catalogue-eJournals and eBooks while we continue to recover from a cyber-attack.
McKay, S. (2022). 50 codes that changed the world : discover and solve the ciphers that altered history. London : Headline. http://access.bl.uk/ark:/81055/vdc_100163654310.0x000001