@base .
a , ;
"Michigan business papers" .
a .
a , , ;
, , ;
"Michigan business papers." ;
;
;
"0076-7840" ;
;
"0076-7840" ;
;
"0076-7840" ;
"Michigan business papers" , "Michigan business papers." ;
.
"Michigan" .
a ;
.
.
a ;
;
"20180616165700.0"^^ ;
;
.
a ;
"0076-7840" ;
.
a ;
"0076-7840" ;
.