Dear Anna,

I am not sure about your expectations. However I suggested a book for you.

It is a dated text, written by a researcher of Flight Research Laboratory, but it is simple, straightforward, clear and complete; for me it is suitable as a basic text for students.

http://www.dtic.mil/dtic/tr/fulltext/u2/a075994.pdf

Let me know what you think.

Dear Anna,

I am not sure about your expectations. However I suggested a book for you.

Thank you for all your suggestions

Other interesting books in this area are

• Lehmann, Erich L., 2006, Nonparametrics Statistical Methods Based on Ranks, Reprint
• Wasserman, Larry, 2006, All of Nonparametric Statistics
• Noether, Gottfried E., 1991,  Introduction to Statistics - The Nonparametric Way

Dear Christoph,

I have already worked with

Noether, Gottfried E., 1991, Introduction to Statistics - The Nonparametric Way,

the other are  new for me.

Thank  you.