Journal article (2001) - K Xia (author), PJ Kelly (author), GEW Bauer (author), G.E. Bauer (author), G. E.W. Bauer (author), G. E W Bauer (author), Gerrit Bauer (author), Gerrit E.W. Bauer (author), I Turek (author), J Kudrnovsky (author), V Drchal (author)