Rotores entrelaçados (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Rotores entrelaçados" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1books.google.com

3^rd place

6^th place

books.google.com

Day & McNeil; Lance Day; Ian McNeil (1998). Biographical Dictionary of the History of Technology. [S.l.]: Taylor & Francis. p. 261. ISBN 0-415-19399-0