@book{Bickerton2016,
author = {Bickerton, Derek},
year = {2016},
isbn = {978-3-946234-09-8 (Hardcover)},
isbn = {978-3-946234-10-4 (Softcover)},
isbn = {978-1-523647-15-6 (Softcover US)},
language = {eng},
copyright = {http://creativecommons.org/licenses/by/4.0/},
title = {Roots of language},
url = "http://dx.doi.org/10.17169/refubium-22784",
}