@book
{TN_libero_mab2,
author = {
Krauter, Karl-Günther
AND
Blank, Edmund
},
title = {
Terra Erdkunde
},
publisher = {Klett},
year = {19XX-},
abstract = {Titel lt. Verl.-Verzeichnis und Verz. lieferbarer Schulbücher. - Nebent.: Erdkunde},
address = {
Stuttgart
},
}