24 June 2021 by Petter Johansson and others

24 November 2020 by Jenni Hultman and others at University of Helsinki

14 May 2020 by G. Ohlund and others at Umea University

22 April 2020 by Petter Johansson and Berk Hess

5 April 2020 by Ugis Lacis and others

19 February 2018 by Petter Johansson and Berk Hess

4 December 2014 by Petter Johansson and Håkan Samuelsson Kalm

9 August 2012 by Jens Forsgård and Petter Johansson

11 October 2011 by Anton Ilderton and others

24 August 2011 by F. Asenjo and others

4 February 2009 by Atlas Collaboration and others

3 February 2004 by Joseph Kroeger and others

17 September 2003 by Laurent Limot and others

2 June 2003 by L. Wendland and others

26 August 2002 by J. Porto and others

5 January 2000 by S. Apell and others