@book{'BosBuchheitAustgenElle2005',
   title     = {'Atlas der Brutv{\\"o}gel des Saarlandes'},
   author    = {Bos, Johan and Buchheit, Martin and Austgen, Markus and 'Elle', 'Ortwin'},
   publisher = {'Ottweiler Druckerei'},
   year      = {2005}
}