@base .
a ;
;
"20210206221900.0"^^ ;
;
.
a .
a ;
"1861-6070" ;
.
a , , ;
, , ;
"Ibus discussion papers." ;
;
;
"1861-6070" ;
;
"1861-6070" ;
;
"1861-6070" ;
"Ibus discussion papers." , "Ibus discussion papers" ;
;
"http://www.rheinahrcampus.de/ibus/publikationen/index.html" .
.
a , ;
"Ibus discussion papers" .
a ;
.
"Germany" .
a ;
"1861-6070" ;
.