Addendum on 30.12.2013:
Warning! The bulbs are not a single star value - Last night a lamp has been independently put into the fire, and today it still stinks in the whole house afterwards. Times what the seller says to watch ...
Addendum on 02/05/2014:
Unfortunately, I can no longer find my bill and can not change because of it - ok, my fault. The statement from the seller was, that there may be a defective - but autoignition !?