21
Published 1998
Springer Berlin Heidelberg

22
Published 2001
Springer Berlin Heidelberg

23
Published 1977
Springer Berlin Heidelberg

24
Published 1984
Springer Berlin Heidelberg

25
by Esser, Karl
Published 1992
Springer Berlin Heidelberg

29
by Day, Arden D., Ludeke, Kenneth L.
Published 1993
Springer Berlin Heidelberg

30
Published 1992
Springer Berlin Heidelberg

31
Published 1998
Springer US

32
Published 1995
Springer Berlin Heidelberg

33
Published 1996
Springer Berlin Heidelberg

34
Published 2002
Springer Berlin Heidelberg

35
Published 2001
Springer Berlin Heidelberg

36
Published 1994
Springer Berlin Heidelberg

37
by Chapman, Geoffrey P., Wang, Yin-Zheng
Published 2002
Springer Berlin Heidelberg

38
Published 1999
Springer Berlin Heidelberg

39
by Bajaj, Y. P. S.
Published 1992
Springer Berlin Heidelberg

40
Published 1999
Springer Berlin Heidelberg