[1]
Fischer-Jørgensen, E. and Hutters, B. 1981. Aspirated stop consonants before low vowels, a problem of delimitation - its causes and consequences. Annual Report of the Institute of Phonetics University of Copenhagen. 15, (Aug. 1981), 77–102. DOI:https://doi.org/10.7146/aripuc.v15i.131752.