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Dhalgren in particular is infamous for copying Finnegan's Wake ourobouros opening/ending/opening.
You can say what you want about war-machine fanatics making the Gundam "war sucks" experience a big ourobouros of irony, and you'd be right.
H’s ourobouros (sp?) pin, AND … (I hadn’t thought of this until now) Danielle’s interation repeating for 16 years!