\bib{1993/bach-generating} \yr 1993 \mr 93k:11089 \by Eric Bach \by Lorenz Huelsbergen \paper Statistical evidence for small generating sets \jour Mathematics of Computation \issn 0025--5718 \vol 61 \pages 69--82 \url http://www.jstor.org/sici?sici=0025-5718(199307)61:203<69:SEFSGS>2.0.CO;2-3 \endref