With Martin Wilson I developed the TARQUIN algorithms for quantitating NMR/MRS data.
You can get some GNU/Linux and Win32 implementations here: http://tarquin.sourceforge.net.
I have written some documents, some published, some unpublished.
My email address is:
Nothing here, or on sub-pages, is guaranteed accurate or fit for any purpose. You use anything found
here at your own risk. In particular, no software or algorithm here is intended for direct clinical use.