Ekkehart Tillmanns

Li-bearing tourmalines in Variscan granitic pegmatites from the Moldanubian nappes, Lower Austria

Thomas Ludwig, M. D. Dyar, Hans-Peter Meyer, 2012 .

Metamorphic ultrahigh-pressure tourmaline: Structure, chemistry, and correlations to P-T conditions

Lutz Nasdala, Gerald Giester, Darrell J. Henry, 2010 .

Cu- and Mn-bearing tourmalines from Brazil and Mozambique: crystal structures, chemistry and correlations

Ulrich Schüssler, Gerald Giester, G. Giester, 2012, Mineralogy and Petrology.