Die folgenden Begriffe wurden einbezogen:
Schwellenwert, "threshold value", threshold, 閾値
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Rome Air Development Center (RADC),
Technical Note, RADC-TDR-62-131: 1-51
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1961,
Carpenter RL, Biddle DK, van Ummersen CA
Thomas CC, International Federation for Medical Electronics (Hrsg.): Proceedings of the Third International Conference on Medical Electronics, London,1960. The Institution of Electrical Engineers (IEE), Springfield, IL; S. 401-408
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1960,
Hendler E, Hardy JD
IRE Trans Med Electron ME-7 (3): 143-152
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AIEE Transactions Part III: Power Apparatus and Systems 79 (3): 667-673
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AIEE Transactions Part III: Power Apparatus and Systems 79 (3): 174-175
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1959,
Kouwenhoven WB, Knickerbocker GG, Chesnut RW, Milnor WR, Sass DJ
AIEE Transactions Part I: Communication and Electronics 78 (2): 163-169
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1956,
Williams DB, Monahan JP, Nicholson WJ, Aldrich JJ
IRE Trans Med Electron PGME-4: 17-22
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1956,
Dalziel CF, Massoglia FP
AIEE Transactions Part III: Power Apparatus and Systems 75 (2): 49-56
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IRE Trans Med Electron 5: 44-62
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1955,
Williams DB, Monahan JP, Nicholson WJ, Aldrich JJ
AMA Arch Ophthalmol 54 (6): 863-874
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Arch. Fisch. Wiss. 6: 350-361
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AIEE Transactions Part III: Power Apparatus and Systems 73 (7): 625-630
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1950,
Dalziel CF, Mansfield TH
AIEE Transactions 69: 1162-1168
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1947,
Barlow HB, Kohn HI, Walsh EG
Am J Physiol 148 (2): 376-381
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Electrical Engineering 65 (8): 579-585
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1943,
Dalziel CF, Ogden E, Abbott CE
AIEE Transactions 62 (12): 745-749
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1941,
Dalziel CF, Lagen JB, Thurston JL
AIEE Transactions 60 (12): 1073-1079
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1936,
Ferris LP, King BG, Spence PW, Williams HB
AIEE Transactions 55 (5): 498-515
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Elektrizitätswirtschaft 34 (23): 508-511