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

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

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