guitar tunings

I'm working on tuning my electric guitar with standard fret
spacings using just intonation and I've got nothing but
questions:
1. Are there books or other resources out there explaining how
people have done this?
2. What tuning tool works best for determining the frequencies?
3. Where can I find lists or charts of various frequencies'
relationships to each other? such as Partch's diagram, which I
still can't quite understand.
If you can help with any of these, I'd appreciate it.
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Erik Nauman
K-2 teacher
The Rice School/La Escuela Rice
Houston, TX
enauman@rice.houstonisd.k12.tx.us
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