"DR" . "By-NC-ND 4.0" . "Birac---Clavaillon-2020"@de . "Birac---Clavaillon-2020"@en . "Birac---Clavaillon-2020"@es . "Birac-Clavaillon 2020"@fr . "Birac---Clavaillon-2020"@nl . . .