@article{tackstrom-etal-2013-token, title = "Token and Type Constraints for Cross-Lingual Part-of-Speech Tagging", author = {T{\"a}ckstr{\"o}m, Oscar and Das, Dipanjan and Petrov, Slav and McDonald, Ryan and Nivre, Joakim}, editor = "Lin, Dekang and Collins, Michael", journal = "Transactions of the Association for Computational Linguistics", volume = "1", year = "2013", address = "Cambridge, MA", publisher = "MIT Press", url = "https://preview.aclanthology.org/fix-sig-urls/Q13-1001/", doi = "10.1162/tacl_a_00205", pages = "1--12" }