@incollection{Shirai2013,
  author    = {Yasuhiro Shirai},
  title     = {The acquisition of tense-aspect morphology and the regular-irregular debate},
  booktitle = {Acquisition of aspect / Ed. by Dagmar Bittner \& Natalia Gagarina, , Zentrum f{\"u}r Allgemeine Sprachwissenschaft, Sprachtypologie und Universalienforschung, Berlin, 2003; ZAS papers in linguistics Vol. 29},
  volume    = {29},
  url       = {http://www.zas.gwz-berlin.de/fileadmin/material/ZASPiL_Volltexte/zp29/zaspil29-shirai.pdf},
  year      = {2013},
}