- unitid
-
{"value"=>"3009621", "type"=>"local_mss"}
{"value"=>"10", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1994-1998", "type"=>"inclusive", "normal"=>"1994/1998"}
- unittitle
-
{"value"=>"\"La Ciudad de Mexico\""}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"7 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"136.3 kilobytes"}], "supress_display"=>true}
- date_start
-
1994
- keydate
-
1994
- date_end
-
1998
- date_inclusive_start
-
1994
- date_inclusive_end
-
1998
- extent_statement
-
136.3 kilobytes