Kremer, Barbara and Bauer, Michael and Stark, Robert W. and Gast, Norbert and Altermann, Wladyslaw and Gursky, Hans-Jürgen and Heckl, Wolfgang M. and Kazmierczak, Józef (2012):
Laser-Raman and atomic force microscopy assessment of the chlorococcalean affinity of problematic microfossils.
In: Journal of Raman Spectroscopy, 43 (1), pp. 32-39. Wiley-VCH Verlag GmbH & Co. KGaA, ISSN 03770486,
[Article]

Stark, M. and Stark, R. W. and Heckl, Wolfgang M. and Guckenberger, R. (2002):
Inverting dynamic force microscopy: From signals to time-resolved interaction forces.
In: Proceedings of the National Academy of Sciences of the United States of America (PNAS), 99 (13), pp. 8473-8478. DOI: 10.1073/pnas.122040599,
[Article]