Geologisches Landesamt Nordrhein-Westfalen (verduidelijking)

"Geologisches Landesamt Nordrhein-Westfalen" is samengesteld uit ten minste 2 verschillende auteurs, onderscheiden door hun werken.

Auteurssplitsing

Algemene kennis

Ontwarringsbericht
Due to how LibraryThings author combination works, any Geologisches Landesamt will be lumped into this one author. These offices are usually distinct between at least different German states (idk if equivalent institutions exist in Austria or Switzerland)