The IT Skeptic writes in Great paper on failure of complex systems : " It is not often you read something that completely changes the way you look at IT. This paper How Complex Systems Fail rocked me. " The paper is indeed brilliant and a worthy read. The author Richard Cook is a medical doctor and his other papers are available here .
This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Mostly now the topics are about IoT and SD-WAN.