S. Bosch, K. Choi, É. La-de-clergerie, A. C. Fang, G. Faaß et al., Amir Zeldes, and Florian Zipser. <tiger2/> as a standardised serialisation for ISO 24615 ? SynAF, Proceedings of the Eleventh International Workshop on Treebanks and Linguistic Theories (TLT11), pp.37-60, 2012.

S. Brants, S. Dipper, P. Eisenberg, S. Hansen-schirra, E. König et al., TIGER: Linguistic Interpretation of a German Corpus, Research on Language and Computation, pp.597-620, 2004.
DOI : 10.1007/s11168-004-7431-3

A. Pareja-lora, G. Cárcamo-escorza, and A. Ballesteros-calvo, Standardisation and interoperation of morphosyntactic and syntactic annotation tools for spanish and their annotations, Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14) European Language Resources Association (ELRA), 2014.