@base .
a .
a , , ;
, , ;
"Michigan school bus accidents." ;
;
;
"0097-8744" ;
;
"0097-8744" ;
;
"0097-8744" ;
"Michigan school bus accidents" , "Michigan school bus accidents." ;
.
.
"Michigan" .
a ;
.
a ;
"0097-8744" ;
.
a ;
"0097-8744" ;
.
a ;
;
"20091123145000.0"^^ ;
;
.
a , ;
"Michigan school bus accidents" .