I think that the book that you're thinking of is "Grounding and Shielding
Techniques in Instrumentation" which seems to have been out of print since
that late 80's.
Ralph Morrison has another book called just "Grounding and Shielding
Techniques" which came out in February 1998.

Regards,
Edmund Cramp,
Motion Lab Systems, Inc.
For information about Motion Lab Systems please visit our web site at
http://www.emgsrus.com


> -----Original Message-----
> From: Biomechanics and Movement Science listserver
> [mailto:BIOMCH-L@NIC.SURFNET.NL]On Behalf Of Bob Woolery, DC
> Sent: Thursday, November 05, 1998 3:37 PM
> To: BIOMCH-L@NIC.SURFNET.NL
> Subject: Re: Collecting EMG signals from a human subject within an MRI
>
>
> There are both magnetic and radio frequency fields in an MRI to be
> considered. In the .2T magnet, the RF will be at about 8 MHz,
> and may be
> more of a problem than the constant magnetic field form the magnet. An
> older, but excellent reference on shielding for this sort of
> interference is Ralph Morrison's book _Shields and Grounds in
> Instrumentation_ (approximate title, but it starts with Shields and
> Grounds. This was written sometime in the '60s and reflects his
> experience in design and production of amplifiers and power
> supplies for
> rocket test stands, where 10 mv signals must be measured in
> the presence
> of hundreds of volts of common mode interference. Bob
>
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