MARC21 – application in the Swiss National Library NL
255 - Cartographic Mathematical Data (R)
First Indicator |
Second Indicator |
| # - Undefined | # - Undefined |
Subfield codes |
|
| $a - Statement of scale (NR) | $d - Statement of zone (NR) |
| $b - Statement of projection (NR) | $e - Statement of equinox (NR) |
| $c - Statement of coordinates (NR) | $f - Outer G-ring coordinate pairs (NR) |