PACS:73.50.Mx, 73.61.−r, 73.50.Gr (all) DOI:10.1070/PU1969v011n05ABEH003739 URL: https://ufn.ru/en/articles/1969/5/d/ Citation: Tavger B A, Demikhovskii V Ya "Quantum size effects in semiconducting and semimetallic films" Sov. Phys. Usp.11 644–658 (1969)