1
by Lehmann, Eike, Zhang, Leshan
Published 1998
Springer Berlin Heidelberg

2
by Clauss, Günther, Lehmann, Eike, Östergaard, Carsten
Published 1994
Springer London

3
by Clauss, Günther, Lehmann, Eike, Östergaard, Carsten
Published 1992
Springer London