@inbook{9613042d3a81447885aae99a6d522cbf,
title = "A cognitive approach to the mirror symmetries in language acquisition and language attrition",
keywords = "first language attrition, first language acquisition, regression hypothesis",
author = "Merel Keijzer",
year = "2009",
language = "English",
isbn = "978-90-272-3902-0",
series = "Converging evidence in language and communication research",
publisher = "John Benjamins Publishers",
pages = "227--239",
editor = "Martin Putz and Laura Sicola",
booktitle = "Cognitive processing in second language acquisition",
}