• Extended observer form with vector fieldsMullari, Tanel; Kotta, Ülle; Kaldmäe, Arvo; Kaparin, Vadim; Simha, AshutoshInternational journal of control2024 / p. 2399 - 2412 https://doi.org/10.1080/00207179.2023.2274060 https://www.scopus.com/sourceid/12342 https://www.scopus.com/record/display.uri?eid=2-s2.0-85175466038&origin=inward&txGid=9cccc30d873622b5905d797d55be6b43 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20CONTROL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001090328500001