Krams, Indrikis
Burghardt, Gordon M.
Krams, Ronalds
Trakimas, Giedrius
Kaasik, Ants
Luoto, Severi
Rantala, Markus J.
Krama, Tatjana
Funding for this research was provided by:
Fulbright Visiting Scholar Program U.S.A. (68140152)
Latvijas Zinātnes Padome (290/2012)