two (or three) column bibliography

[Wolfgang Engelmann]

Am 27.04.23 um 06:51 schrieb Herbert Voss:
> 
> 
> Am 26.04.23 um 18:03 schrieb Wolfgang Engelmann:
>> How do I get a two (or three) column bibliography in a Koma script 
>> book with A4 style (and no columns)?
> 
> Insert from the submenu the userdefined command Columns (Spalten)
> and then insert the name of the bibliography as usual
> 
> Herbert
> 
> 
Thanks, Herbert.

To which submenu are you referring?
I could not find the 'Benutzerdefinierte Einfügungen for setting
'several columns'

Wolfgang