Gustav Gallai
- (2018): Next-generation flexible plug expansion joints. Vorgetragen bei: IABSE Conference: Engineering the Developing World, Kuala Lumpur, Malaysia, 25-27 April 2018.
- The First European Approval for an Expansion Joint Flexible Plug Joint System with New Material. Vorgetragen bei: Eight International Conference on Bridges across the Danube, Timisoara (Romania) and Belgrade (Serbia), October 2013. (2014):
- (2013): The First European Approval for an Expansion Joint Flexible Plug Joint System with New Material. Vorgetragen bei: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013.
- (2017): Polyurethane flexible plug expansion joints – Characteristics, benefits and case studies. Vorgetragen bei: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017.
- (2016): Flexible plug expansion joints – Benefits of polyurethane versus bituminous. Vorgetragen bei: IABSE Congress: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, Stockholm, Sweden, 21-23 September 2016.