1. https://www.emerson.com/en-us/automation/asset-management/asset-monitoring/health-monitoring/plantweboptics
2. https://www.ptc.com/en/resources/iiot/product-brief/thingworx-platform
3. Mark S (2019) Smart monitoring for the intelligent machine age. Bently Nevada, ORBIT ARTICLE, Baker Hughes. (https://www.bakerhughesds.com/orbit-article/smart-monitoring-intelligent-machine-age)
4. https://www.youtube.com/watch?v=CDUZaW8Cxa8
5. http://amcvibro.com/product/avm-4000-3/