Code 530 - Key title (serials) (R)
Indicator 1: Title Proper Indicator 0 Key title is the same as the title proper 1 Key title differs from the title proper Indicator 2: blank
Subfield Codes $a Key Title (Not repeatable) $b Qualifier (Not repeatable) $j Volume or Dates Associated with Key Title (Not repeatable) $v Volume Designation (Not repeatable)