Papers about PiEEG – at the level of papers about BITalino & Biosignals plux products?

Ildar Rakhmatulin https://scholar.google.com/scholar?start=0&q=Ildar+Rakhmatulin+pieeg&hl=de&as_sdt=0,5 Hugo Plácido da Silva https://scholar.google.com/citations?hl=de&user=86F6EBgAAAAJ&view_op=list_works&sortby=pubdate But Peter Gamma from www.petergamma.org has never read more than the title of the papers of Hugo Plácido da Silva and never bought a BITalino or BIOSIGNALS product.