Humor in the Workplace?
http://www.eeicommunications.com/eye/humor.html

Tyler, Craig
Editorial Eye, The
1999

Abstract:

Over the years, I've been accused of not taking life seriously enough. Although life certainly is no joke, it's not all Sturm und Drang or Weltschmerz, either. Mostly, I think, it's like Mozart: exhilarating and joyous except when it's not.