鋼琴鍵頻率 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "鋼琴鍵頻率" in Chinese language version.

refsWebsite

Global rank Chinese rank

9,412^th place

5,572^nd place

2web.archive.org

1^st place

1^st place

mtu.edu

phy.mtu.edu

Frequencies of Musical Notes, A4 = 440 Hz. www.phy.mtu.edu. [2017-07-08]. （原始内容存档于2017-07-15）.
Formula for frequency table. www.phy.mtu.edu. [2017-07-08]. （原始内容存档于2017-07-07）.

web.archive.org

Frequencies of Musical Notes, A4 = 440 Hz. www.phy.mtu.edu. [2017-07-08]. （原始内容存档于2017-07-15）.
Formula for frequency table. www.phy.mtu.edu. [2017-07-08]. （原始内容存档于2017-07-07）.