Here are some writings I have picked up and liked for reasons I will not try to describe. If I have violated copywrite laws, I am sorry and will correct that as ASAP.

Steven Zucker from Notices of the AMS, Vol. 50, No. 3 (March 2003).

Melvin Henriksen from the American Mathematical Monthly, Vol. 102, No. 6 (1995)

James O. Bullock from the American Mathematical Monthly, Vol. 102, No. 6 (1995)
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