Analysis of information sources in references of the Wikipedia article "மின்னழுத்த இரட்டிப்பி" in Tamil language version.
{{citation}}: CS1 maint: unrecognized language (link). Villard's voltage booster appears in Fig. 1 on p. 31.{{citation}}: CS1 maint: unrecognized language (link). Villard's voltage booster appears in Fig. 1 on p. 31.{{citation}}: CS1 maint: unrecognized language (link){{citation}}: CS1 maint: unrecognized language (link). Greinacher's voltage doubler appears in Fig. 4 on p. 412. He used chemical (electrolytic) rectifiers, which are denoted "Z" (Zellen, cells).{{citation}}: CS1 maint: unrecognized language (link)