Distributed Software Development Explained
ddj.com
ddj.com
No mention of mercurial, git, darcs, or monotone to be found.
ddj: for when you need your content smashed into 1/4th of your window with small graphics and you miss being advertised to by random underlined words ("developer" obviously means "I want to buy a $5M sun server").
But, to be fair, they did mention hg and git, albeit in passing.