027 Standard Technical Report Number (R) (Variable Data Field)
Field 027 contains an International Standard Technical Report Number (ISRN) or a Standard Technical Report Number (STRN) formulated according to specification in the standards International Standard Technical Report Number (ISRN) (ISO 10444), Standard Technical Report Number Format and Creation (ANSI/NISO Z39.23-1997), or Standard Technical Report Number (STRN), Format and Creation (ANSI Z39.23-1983), and assigned to a technical report. The technical report number is usually the primary means of identifying a specific technical report.
Field 027 is repeatable for multiple ISRNs and STRNs associated with an item.
The National level record requirement for this field is Mandatory if applicable.
Field 027 is repeatable .
Guidelines for applying content designators:
For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements , and designator repeatability , see table below:
Position | Description | NLR | MLR | Repeatability |
Field 027 | Standard Technical Report Number | A | O | R |
Indicator: | ||||
First | Undefined; contains a blank | M | ||
Second | Undefined; contains a blank | M | ||
Subfield code: | ||||
$a | M | O | NR | |
$z | A | O | R | |
$6 | A | O | NR | |
$8 | O | O | R |
Related MARC fields or documents:
International Standard Technical Report Number (ISRN) (ISO 10444)
Standard Technical Report Number Format and Creation (ANSI/NISO Z39.23-1997)
Standard Technical Report Number (STRN), Format and Creation (ANSI Z39.23-1983)
See also:
