@base .
a , ;
"Historical methods" .
, ;
"Historical methods." ;
;
;
;
;
;
;
"Historical methods." , "Historical methods" ;
;
"http://heldref.metapress.com/openurl.asp?genre=journal&issn=0161-5440" .
a .
.
a ;
"0161-5440" ;
.
a ;
.
"District of Columbia" .
a ;
"20230621123152.584449"^^ ;
;
.