diff --git a/2017_005_fechner_et_al/topic_modeling_2016.pdf b/2017_005_fechner_et_al/topic_modeling_2016_v1_0.pdf
similarity index 100%
rename from 2017_005_fechner_et_al/topic_modeling_2016.pdf
rename to 2017_005_fechner_et_al/topic_modeling_2016_v1_0.pdf
diff --git a/2017_005_fechner_et_al/topic_modeling_2016.xml b/2017_005_fechner_et_al/topic_modeling_2016_v1_0.xml
similarity index 100%
rename from 2017_005_fechner_et_al/topic_modeling_2016.xml
rename to 2017_005_fechner_et_al/topic_modeling_2016_v1_0.xml
diff --git a/2017_006_buettner_et_al/delta_2016.pdf b/2017_006_buettner_et_al/delta_2016_v1_0.pdf
similarity index 100%
rename from 2017_006_buettner_et_al/delta_2016.pdf
rename to 2017_006_buettner_et_al/delta_2016_v1_0.pdf
diff --git a/2017_006_buettner_et_al/delta_2016.xml b/2017_006_buettner_et_al/delta_2016_v1_0.xml
similarity index 100%
rename from 2017_006_buettner_et_al/delta_2016.xml
rename to 2017_006_buettner_et_al/delta_2016_v1_0.xml