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An established topical term or geographic name used in main subject headings in established heading records. Spanish equivalent of field 150.

Subfield Codes

$a - Topical term or geographic name entry element (NR). In UNBIS, the complete topical or geographic term is entered in $a.

150     $a GEOTHERMAL ENERGY
993     $a ENERGIA GEOTERMICA

150     $a WOMEN IN FORESTRY
993     $a MUJERES EN LA ACTIVIDAD FORESTAL

150     $a DEFENCE (CRIMINAL PROCEDURE)
993     $a DEFENSA (PROCEDIMIENTO PENAL)

150 9 _ $a SWEDEN
993 9 _ $a SUECIA

150 9 _ $a BALTIC SEA REGION
993 9 _ $a REGION DEL MAR BALTICO