Grøntoft, Terje http://orcid.org/0000-0002-6200-9460
Cassar, JoAnn
Funding for this research was provided by:
Miljødirektoratet (17078010)
University of Malta (-)
Heritage Malta (-)
Norsk institutt for luftforsking (-)
Article History
Received: 5 November 2019
Accepted: 24 May 2020
First Online: 7 June 2020