[1]
Kautzsch, A. 2012. Transfer, Similarity or Lack of Awareness? Inconsistencies of German Learners in the Pronunciation of LOT, THOUGHT, STRUT, PALM and BATH. Research in Language. 10, 2 (Jun. 2012), 225–241. DOI:https://doi.org/10.2478/v10015-011-0029-6.