1. https://www.marketsandmarkets.com/PressReleases/anaerobic-adhesive.asp.
2. R. E. Burnett and B. W. Nordlander, US Patent No. 2628178A (1953).
3. V. K. Vernon, US Patent No. 2895950 (1959).
4. R. H. Krieble, US Patent No. 3043820A (1962).
5. Dave Dunn, “Legends of the industry: Dr. Robert Krieble,” ASI Mag. (2006). https://www.adhesivesmag.com/articles/83804-legends-of-the-industry-dr-robert-krieble.