https://yanoljacloudsolution.freshdesk.com/en/support/solutions/articles/9000235570-how-to-web-login-with-password-and-pin-usercode-in-ezee-optimus-
How to Web login with password and PIN / usercode in eZee Optimus? :
how to weblogin with password
https://archives.bodleian.ox.ac.uk/repositories/2/archival_objects/28980
'History BCPL Usercode Generator KDF9 Streams', 1969 | Bodleian Archives & Manuscripts
historybcplgeneratorstreamsbodleian