BibTeX-Format:
@article{jaco1991:otso, year = {1991}, subtitle = {-- {I}n: {W}. {A}braham ({H}g.)
{D}iscourse {P}articles
. {A}msterdam: {B}enjamins, 141 - 162}, title = {{O}n the {S}emantics of {M}odal {P}articles}, mylabel = {jaco1991:otso}, typ = {article}, author = {Jacobs, Joachim}}