Op 25/05/2021 om 08:57 schreef ingo:
> in news:60ac9817$1@news.povray.org Thomas de Groot wrote:> >> https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1467-8659.2007.00949.x> > You are aware of Sci-hub? https://sci-hub.41610.org/> > Ingo>
I hadn't been! Thanks a lot indeed!
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Thomas