I'm parsing your publications from the ORCID service and found few inaccuracies. Most probably, they come from your account at ORCID. You can check your automatically fetched publications at https://ims.ut.ee/v2/index.php/User:Tarmo#Publications.
- At the very bottom of the list we can see incorrectly encoded characters "Ü", they came like that from the ORCID service. Probably, you can correct that, if you'd like.
- I also found that the work with the title A quantum-mechanical study of oxidized oligopyrroles has a strage DOI ID:
10.1002/(sici)1097-461x(1999)71:1<101::aid-qua10>3.0.co;2-zSo I can't compose a valid link for that publication.