The proceedings of the 21th IFAC WC are available via IFAC-PapersOnline publications
The proceedings of the 21th IFAC WC are available via IFAC-PapersOnline. 

Content of the Virtual Congress Hall will be made available in a limited version soon
The Congress Hall materials (papers, videos, presentations) are currently being transferred to an limited long-term online available version. This only concerns contributions for which the authors did not opt out for archiving.