<div dir="ltr"><div dir="ltr">There might be some useful information in the papers Tim Stinchcombe links here too<br><a href="https://www.timstinchcombe.co.uk/index.php?pge=papers">https://www.timstinchcombe.co.uk/index.php?pge=papers</a><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
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