@book
{TN_libero_mab2,
author = {
Gray, Theodore
Gray, Theodore
},
title = {
Die Elemente
Bausteine unserer Welt
},
publisher = {Komet},
isbn = {9783869410036},
keywords = {
Chemisches Element
,
Einführung
},
year = {[2013]},
abstract = {Literaturangaben},
address = {
Köln
},
}