His Dicionário de eletrônica e física do estado sólido, c1980: t.p. (Ronaldo Sergio de Biasi)

National Library of Brazil, via VIAF, 26 October 2018 (Biasi, Ronaldo Sérgio de, 1943- ; professor at Instituto Militar de Engenharia; translator)

Ronaldo Sergio de Biasi CV, via WWW, 26 October 2018 (Ronaldo Sergio de Biasi; born 11/03/1943, Rio de Janeiro; Brazilian; Ph.D. in Electrical Engineering, University of Washington, Seattle, Washington, USA, 1971;