BibTeX-Format:
@article{jaco1977:tfag, mylabel = {jaco1977:tfag}, journal = {{L}ingua}, volume = {43}, typ = {article}, title = {{P}etr {S}gall/{E}va {H}ajicová/{E}va {B}enesová. {T}opic, {F}ocus, and {G}enerative {S}emantics. {K}ronberg/{T}s.: {S}criptor {V}erlag 1973}, pages = { 77 - 91}, year = {1977}, author = {Jacobs, Joachim}}