A Review of Technology Standards and Patent Portfolios for Enabling Cyber-Physical Systems in Advanced Manufacturing. - Amy J. C. Trappey; Charles V. Trappey; Usharani Hareesh Govindarajan; John J. Sun; Allen C. Chuang (IEEE Access, 2016)

A review of essential standards and patent landscapes for the Internet of Things: A key enabler for Industry 4.0. - Amy J. C. Trappey; Charles V. Trappey; Usharani Hareesh Govindarajan; Allen C. Chuang; John J. Sun (Adv. Eng. Informatics, 2017)