{{sfn | Kühlmann | 2011 | p=}}

* {{cite book | last=Kühlmann | first=Wilhelm | title=Ros – Se | publisher=Walter de Gruyter | publication-place=Berlin | date=2011-09-29 | isbn=978-3-11-022043-8 | language=de}}

<ref name="m067">{{cite book | last=Kühlmann | first=Wilhelm | title=Ros – Se | publisher=Walter de Gruyter | publication-place=Berlin | date=2011-09-29 | isbn=978-3-11-022043-8 | language=de | page=}}</ref>