- unitid
-
{"value"=>"3278335", "type"=>"local_mss"}
{"value"=>"501104", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1991 March 12", "type"=>"inclusive", "normal"=>"1991-03-12"}
- unittitle
-
{"value"=>"SPK 1, 2 - Arthur Russell DAT B - SMPTE"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1991-03-12
- keydate
-
1991-03-12
- date_end
-
1991-03-12
- date_inclusive_start
-
1991
- date_inclusive_end
-
1991
- extent_statement
-
1 audio recording