1
by Goes, João
Kluwer Academic Publishers

2
by Clein, Dan
Published 2000
Newnes

3
by Sanduleanu, Mihai A. T.
Published 2002
Kluwer

4
by Maloberti, Franco
Published 2001
Kluwer Academic

5
by Geerts, Yves
Published 2002
Kluwer Academic Publishers

6
by Koli, Kimmo
Published 2002
Kluwer Academic Publishers