Eklund (2008). Eklund, Robert (2008), "Pulmonic ingressive phonation: Diachronic and synchronic characteristics, distribution and function in animal and human sound production and in human speech", Journal of the International Phonetic Association, 38 (3): 235–324, doi:10.1017/S0025100308003563, S2CID146616135
Eklund (2008). Eklund, Robert (2008), "Pulmonic ingressive phonation: Diachronic and synchronic characteristics, distribution and function in animal and human sound production and in human speech", Journal of the International Phonetic Association, 38 (3): 235–324, doi:10.1017/S0025100308003563, S2CID146616135