@inproceedings{Degaetano-etal2015b, title = {Information Density in Scientific Writing: A Diachronic Perspective}, author = {Stefania Degaetano-Ortlieb and Hannah Kermes and Ashraf Khamis and J{\"o}rg Knappen and Elke Teich}, year = {2015}, date = {2015-07-01}, booktitle = {"Challenging Boundaries" - 42nd International Systemic Functional Congress (ISFCW2015)}, address = {RWTH Aachen University}, pubstate = {published}, type = {inproceedings} }