2

How are they viewed by the scholarly community now?

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closed as too broad by bytebuster, Alex B., curiousdannii, prash♦ Jun 26 '17 at 13:55

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • Comments are not for extended discussion; this conversation has been moved to chat. – prash♦ Jun 26 '17 at 13:54