Meckel, M.
Staudte, A.
Patchkovskii, S.
Villeneuve, D. M.
Corkum, P. B.
Dörner, R.
Spanner, M.
Article History
Received: 30 August 2013
Accepted: 29 May 2014
First Online: 20 July 2014
Competing interests
: The authors declare no competing financial interests.