Kazmierczak, J. ; Altermann, W. ; Kremer, B. ; Kempe, S. ; Eriksson, P. G. (2009):
Mass occurrence of benthic coccoid eyanobacteria and their role in the production of neoarchean carbonates of South Africa.
In: Precambrium Research, (173), pp. 79-82. [Article]

Kazmierczak, J. ; Altermann, W. ; Kremer, B. ; Kempe, S. ; Eriksson, P. G. (2008):
Late Archean mineralised cyanobacterial mats and their modern analogs.
In: European Planetary Science Congress, EPSC Abstracts,
[Conference or Workshop Item]

Bös, Klaus ; Opper, Elke ; Woll, A. ; Liebisch, R. ; Breithecker, D. ; Kremer, B. (2001):
Das Karlsruher Testsystem für Kinder (KATS-K).
In: Haltung und Bewegung, 21 (4), pp. 4-66. BAG, ISSN 0178-3033,
[Article]