Identifying the source textbook for quantum mechanics handout

[NewNuNeutrino]

Hello,

I was working through some quantum homework and was looking for some help online and ran across this: http://physics.uwyo.edu/~yurid/QM/Handout5.pdf

I was wondering if anyone knew what textbook this is from? I tried searching excerpts from the book, but alas, no results.

Thanks!

 

[CJ2116]

Quantum Mechanics For Engineering: Materials Science and Applied Physics by Herbert Kroemer

I found it using Google books' search function: