21
Published 2002
Springer Berlin Heidelberg

22
Published 2004
Springer Netherlands

23
by Barlow, Connie
Published 1997
Copernicus

24
by Anglin, W.S.
Published 1994
Springer New York

27
by Davis, Philip J.
Published 1997
Birkhäuser

29
Published 2002
Springer US

31
Published 2003
Springer Netherlands

32
Published 2003
Springer Netherlands

36
Published 1977
Springer US

40
by Capek, M.
Published 1991
Springer Netherlands