Concrete Days 2019
2019-11-20 - 2019-11-21, Hradec Králové, Czech Republic
http://www.cbsbeton.eu/en/seminars/odborne-akce/26th-concrete-days-2019-call-for-papers
2019-11-20 - 2019-11-21, Hradec Králové, Czech Republic
http://www.cbsbeton.eu/en/seminars/odborne-akce/26th-concrete-days-2019-call-for-papers