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        <description>Lectures

----------

	*   PHY 131 lecture 1
	*   PHY 131 lecture 2
	*   PHY 131 lecture 3
	*   PHY 131 lecture 4
	*   PHY 131 lecture 5
	*   PHY 131 lecture 6
	*   PHY 131 lecture 7
	*   PHY 131 lecture 8
	*   PHY 131 lecture 9
	*   PHY 131 lecture 10
	*   PHY 131 lecture 11
	*   PHY 131 lecture 12
	*   PHY 131 lecture 13
	*   PHY 131 lecture 14
	*   PHY 131 lecture 15
	*   PHY 131 lecture 16
	*   PHY 131 lecture 17
	*   PHY 131 lecture 18
	*   PHY 131 lecture 19
	*   PHY 131 lecture 20
	*   PH…</description>
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