Panagiotis Artemiadis <partem at mail.ntua.gr> wrote:
> Dear Sirs,
>> I posted this message because I am at the beginning of my PhD study
> concerning these facts. So I wanted some information.
> It is NOT a matter of "playing games" as k p Collins said.
> If this newsgroup is NOT for giving some preliminary information,
No worries, there is a person or two who plays games here, which tend to
disturb many scientific threads, but I wouldn't consider your question
to be such a game. So, don't let the suggestion scare you away.
Of course it's common to assume, that you already looked for a few
reviews in the literature, when one asks such prelimanary questions ...