• Strategic factor analysis for Industry 4.0Wahl, Mike FranzJournal of security and sustainability issues2015 / p. 241-247 https://www.researchgate.net/publication/287387336_Strategic_factor_analysis_for_industry_40 https://www.scopus.com/sourceid/21100301405 https://www.scopus.com/record/display.uri?eid=2-s2.0-84950971278&origin=inward&txGid=8ddeaa48aef5f8efd53fe67ec825a979