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 Sorry Prabir, because of problems with my laptop I  could read your comments only today. As you say normally I follow the academic  method. In the case of Darampal's book, I did the same but found the  documentation too weak for the conclusions. So I decided to set it aside even  while acknowledging that it has some positive points. I was not reviewing that  book. I was reading it for myself and saw no sense in preserving it since I did  not think of it as a valuable enough docume in spite of some of its positive  points.     Walter      |