A very good paper, with significant results. Research into metric code analysis on object-oriented programs shows that the most significant metric that can be used to infer the fragility of a class is the classes size (LOC), and that most other existing metrics are simply layers of indirection on top of class size (ie. large classes have higher coupling). I'm not sure the actual impact this paper has had on the community, but I would think it should be fairly revolutionary.
One thing that sort of rubbed me the wrong way was in the paper's introductory phases, they discussed procedural vs. object programming, and implied (with some references) that OO programs are in general harder to maintain. I wonder about this statement.
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