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Neodymium Based Ziegler Catalysts - Fundamental Chemistry - Google Books

https://books.google.de/books?id=xX9mYOp2HFYC&pg=PA13#v=onepage

Even though Ziegler catalysts have been known for almost half a century, rare earth metals (Ln), particularly neodymium (Nd)-based Ziegler catalyst systems, only came into the focus of industrial and academic research well…

Neodymium Based Ziegler Catalysts - Fundamental Chemistry - Google Books

https://books.google.de/books?id=xX9mYOp2HFYC&pg=PA15#v=onepage

Even though Ziegler catalysts have been known for almost half a century, rare earth metals (Ln), particularly neodymium (Nd)-based Ziegler catalyst systems, only came into the focus of industrial and academic research well…