BibTeX-Format:
@incollection{ booktitle = {{I}nterfaces in {C}hild {L}anguage {A}cquisition. {S}pecial {D}ouble {I}ssue of {F}irst {L}anguage}, title = {{T}he null-subject parameter at the interface between syntax and pragmatics: {E}vidence from bilingual {G}erman-{I}talian, {G}erman-{F}rench and {I}talian-{F}rench children}, author = {Schmitz, Katrin, Patuto, Marisa