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Inheritance resources

Mixins considered harmful/1
Mixins considered harmful/2
Things to Know About Super
Setting Multiple Inheritance Straight

DCI Architecture Resources

Trygve's page
Initial paper: Common Sense of Object Oriented Programming
Essentials: Comments on the essential mechanisms for DCI implementations

Coplien's page
Draft version of his new book: Lean Architecture

Misc:
Traits: Composable Units of Behaviour
Object Oriented Architecture As It Should Have Been - Agile Architecture
JAOO 2008 presentation