https://washingtonstate.forums.rivals.com/threads/——what-is-the-24-hour-rule-for-lufthansa-quick-dial.37467/

https://washingtonstate.forums.rivals.com/threads/%E2%98%8E%EF%B8%8F-%F0%9D%9F%8F-%F0%9D%9F%96%F0%9D%9F%91%F0%9D%9F%91-%F0%9D%9F%96%F0%9D%9F%97%F0%9D%9F%8E-%F0%9D%9F%96%F0%9D%9F%92-%F0%9D%9F%92%F0%9D%9F%96-what-is-the-24-hour-rule-for-lufthansa-quick-dial.37467/