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Message-ID: <BANLkTikafk5t5SZ3X5f=RunZ9em0mbBPfg@mail.gmail.com>
Date: 2011-06-28T04:57:59Z
From: Lao Meng
Subject: About the covariant
In-Reply-To: <F90099D8-C268-4489-9647-3297FEDC39C8@comcast.net>

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