@base .
a , , ;
, , ;
"District heating international." ;
;
;
"0933-6540" ;
;
"0933-6540" ;
;
"0933-6540" ;
"District heating international" , "District heating international." ;
.
.
a ;
"0933-6540" ;
.
a .
a ;
;
"20090125222900.0"^^ ;
;
.
a , ;
"District heating international" .
a ;
"0933-6540" ;
.
"Germany" .
a ;
.