Here's an interesting book about a scientist at the Monroe Institute and their OOB research. It still can be fake or just an advertisement for the MI, but I post it anyways.

I ffw to chapter 9 where they discuss binaural beats and OOBEs:

[URL unfurl="true"]http://books.google.de/books?id=RYHtBPiZVgsC&pg=PA79#v=onepage&q&f=true[/URL]

PS: still no OOBE here, except reading for 3 months about it...