BibTeX-Format:
@article{ journal = {{L}ingua}, volume = {120}, title = {{C}ross-linguistic influence in bilingual children: can input frequency account for it?}, pages = {2638-2650}, number = {11}, typ = {article}, year = {2009}, author = {Hauser-Grüdl, Nicole, Lastenia Arencibia Guerra, Franziska Witzmann, Estelle Leray