- unitid
-
{"value"=>"3671710", "type"=>"local_mss"}
{"value"=>"359", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1999", "type"=>"inclusive", "normal"=>"1999"}
- unittitle
-
{"value"=>"Production Tech Book, Rider, and Questionaire"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"4 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"502.8 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1999
- keydate
-
1999
- date_end
-
1999
- date_inclusive_start
-
1999
- date_inclusive_end
-
1999
- extent_statement
-
502.8 kilobytes (4 computer files)