- unitid
-
{"value"=>"3590727", "type"=>"local_mss"}
{"value"=>"17", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"2009-2011", "type"=>"inclusive", "normal"=>"2009/2011"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"6 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"133.4 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
2009
- keydate
-
2009
- date_end
-
2011
- date_inclusive_start
-
2009
- date_inclusive_end
-
2011