Hägg, G. M., & Astrand, I. (1991). Zero crossing rate as an index of electromyographic spectral alterations and its applications to ergonomics. Chalmers Tekniska Högskola.
Chicago Style (17th ed.) CitationHägg, Göran M., and I. Astrand. Zero Crossing Rate as an Index of Electromyographic Spectral Alterations and Its Applications to Ergonomics. Göteborg: Chalmers Tekniska Högskola, 1991.
MLA (9th ed.) CitationHägg, Göran M., and I. Astrand. Zero Crossing Rate as an Index of Electromyographic Spectral Alterations and Its Applications to Ergonomics. Chalmers Tekniska Högskola, 1991.
Warning: These citations may not always be 100% accurate.