@book{Börnchen2005,
author = {Börnchen, Martin},
year = {2005},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Strontianit},
url = "http://dx.doi.org/10.17169/refubium-22232",
}