NotationLong
sub property of: notation
definition: EXPERIMENTAL: Notation with blanks and leading zeros for sortability.

Petroleum
type: Concept
label: Erdöl @de
narrower: Oil shale, shale oil
notation: PRB02.06

Oil shale, shale oil
type: Concept
subject of: about
wikipedia article: Ölschiefer
wikipedia article: Oil shale
label: Ölschiefer, Schieferöl @de
broader: Petroleum
in scheme: ware
notation: PRB02.06-Eo03
NotationLong: 06.10.0-02