Time--Systems and standards
created: 1986-02-11T00:00:00
alternative label: Standard time
alternative label: Time--Standards
alternative label: Time zones
in scheme: lcsh
modified: 2007-05-25T07:53:21
notation: QB223
member: collection LCSHAuthorizedHeadings
member: collection SubdivideGeographicalIndirect
member: collection LCSH General
related: Frequency standards
broader: Units of measurement
type: Concept

Frequency standards
type: Concept
related: Time--Systems and standards

Units of measurement
notation: QC81-QC114
type: Concept