- unitid
-
{"value"=>"3679453", "type"=>"local_mss"}
{"value"=>"183", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1978 April", "type"=>"inclusive", "normal"=>"1978-04"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"4 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"205.7 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1978-04
- keydate
-
1978-04
- date_end
-
1978-04
- date_inclusive_start
-
1978
- date_inclusive_end
-
1978
- extent_statement
-
205.7 megabytes (4 computer files)