Heinrich Greinacher (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heinrich Greinacher" in Catalan language version.

refsWebsite

Global rank Catalan rank

441^st place

1,280^th place

low place

2^nd place

6^th place

doi.org

H. Greinacher (1912) "Über eine Anordnung zur Bestimmung von e/m" (On an apparatus for the determination of e/m), Verhandlungen der Deutschen Physikalischen Gesellschaft, 14 : 856–864.
Physikalische Zeitschrift, <http://babel.hathitrust.org/cgi/pt?id=nyp.33433090815022;view=1up;seq=450>. Greinacher's voltage doubler appears in Fig. 4 on p. 412. He used chemical (electrolytic) rectifiers, which are denoted "Z" (Zellen, cells).
Zeitschrift für Physik, doi:10.1007/bf01328615, <https://babel.hathitrust.org/cgi/pt?id=njp.32101065883751;view=1up;seq=205>