- unitid
-
{"value"=>"3679400", "type"=>"local_mss"}
{"value"=>"169", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1981 March 19-20", "type"=>"inclusive", "normal"=>"1981-03-19/1981-03-20"}
- unittitle
-
{"value"=>"Ballerina"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"46.2 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1981-03-19
- keydate
-
1981-03-19
- date_end
-
1981-03-20
- date_inclusive_start
-
1981
- date_inclusive_end
-
1981
- extent_statement
-
46.2 megabytes (1 computer files)