- unitid
-
{"value"=>"3118351", "type"=>"local_mss"}
{"value"=>"60", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"2006 September", "type"=>"inclusive", "normal"=>"2006-09"}
- unittitle
-
{"value"=>"\"Gravity\" and \"Safety Zone\""}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"592 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"2.1 gigabytes", "unit"=>"gigabytes"}]}
- date_start
-
2006-09
- keydate
-
2006-09
- date_end
-
2006-09
- date_inclusive_start
-
2006
- date_inclusive_end
-
2006
- extent_statement
-
2.1 gigabytes (592 computer files)