Weinreich, Uriel. 1953. Languages in contact. Findings and problems. New York: Linguistic Circle of New York.
@book{weinreich1953a,
address = {New York},
author = {Weinreich, Uriel},
key = {Weinreich 1953},
publisher = {Linguistic Circle of New York},
title = {Languages in contact. Findings and problems},
year = {1953}
}