락인앰플리파이어 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "락인앰플리파이어" in Korean language version.

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aip.org (Global: 2,204^th place; Korean: 1,041^st place)

Michels, W. C.; Curtis, N. L. (1941). “A Pentode Lock-In Amplifier of High Frequency Selectivity”. 《Review of Scientific Instruments》 12 (9): 444. Bibcode:1941RScI...12..444M. doi:10.1063/1.1769919.
Cosens, C. R. (1934). “A balance-detector for alternating-current bridges”. 《Proceedings of the Physical Society》 46 (6): 818–823. Bibcode:1934PPS....46..818C. doi:10.1088/0959-5309/46/6/310.

Michels, W. C.; Curtis, N. L. (1941). “A Pentode Lock-In Amplifier of High Frequency Selectivity”. 《Review of Scientific Instruments》 12 (9): 444. Bibcode:1941RScI...12..444M. doi:10.1063/1.1769919.
Cosens, C. R. (1934). “A balance-detector for alternating-current bridges”. 《Proceedings of the Physical Society》 46 (6): 818–823. Bibcode:1934PPS....46..818C. doi:10.1088/0959-5309/46/6/310.

Stutt, C. A. (1949). "Low-frequency spectrum of lock-in amplifiers". MIT Technical Report (MIT) (105): 1–18.