• Algorithmic problems in twisted groups of Lie type; Henrik Bäärnhielm, 2007, PhD thesis; pdf
• Extending the product replacement algorithm; Henrik Bäärnhielm, Charles Leedham-Green; (2007) preprint; ps, pdf
• Standard generators for the Suzuki groups; John Bray, Henrik Bäärnhielm; (2007) preprint; ps, pdf
• Recognising the Ree groups in their natural representations; Henrik Bäärnhielm; (2006) preprint; ps, pdf
• Tensor decomposition of the Ree groups; Henrik Bäärnhielm; (2006) preprint; ps, pdf
• Recognising the Suzuki groups in their natural representations; Henrik Bäärnhielm; J. Algebra 300 (1), 171-198, 2006; e-print
• Tensor decomposition of the Suzuki groups; Henrik Bäärnhielm; (2005) preprint; dvi, ps, pdf
• The Schreier-Sims algorithm for matrix groups; Henrik Bäärnhielm; (2004) e-print;