Remembering Ervin Fried and Jiří Sichler
Crossref DOI link: https://doi.org/10.1007/s00012-016-0408-x
Published Online: 2016-09-02
Published Print: 2016-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Grätzer, G.
License valid from 2016-09-02