URI(s)
- http://id.loc.gov/authorities/subjects/sh85149955
- http://id.loc.gov/authorities/sh85149955#concept
Variants
- Zone leveling
- Zone refining
Broader Terms
Closely Matching Concepts from Other Schemes
LC Classification
- TN686.5.Z6
- TP156.Z6
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1987-03-31: revised
Alternate Formats
