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|      1 By chapter: |      1 By chapter: | 
|      2  |      2  | 
|      3 Inductive definitions: Gerwin Klein |         | 
|      4 chapters 1 and 2, maybe 3: Peter White |      3 chapters 1 and 2, maybe 3: Peter White | 
|         |      4 chapters 6, 7 and 8: David von Oheim | 
|         |      5 chapter 6, maybe 8: Gerwin Klein |