diff --git a/documents/GeoTopo/GeoTopo.pdf b/documents/GeoTopo/GeoTopo.pdf
index 27e54d2..c4953d2 100644
Binary files a/documents/GeoTopo/GeoTopo.pdf and b/documents/GeoTopo/GeoTopo.pdf differ
diff --git a/documents/GeoTopo/GeoTopo.tex b/documents/GeoTopo/GeoTopo.tex
index 21691ac..c240752 100644
--- a/documents/GeoTopo/GeoTopo.tex
+++ b/documents/GeoTopo/GeoTopo.tex
@@ -1,4 +1,5 @@
 \documentclass[DIV15,BCOR12mm]{scrbook}
+\pdfoutput=1
 \newif\ifAFive\AFivefalse
 \ifAFive
   \KOMAoptions{paper=a5,twoside=true}
diff --git a/documents/GeoTopo/Makefile b/documents/GeoTopo/Makefile
index e9914d6..256c10a 100644
--- a/documents/GeoTopo/Makefile
+++ b/documents/GeoTopo/Makefile
@@ -1,17 +1,17 @@
-DOKUMENT = GeoTopo
+SOURCE = GeoTopo
 
 make:
 	sketch figures/torus.sketch > figures/torus.tex
-	pdflatex $(DOKUMENT).tex -interaction=batchmode -output-format=pdf # aux-files for makeindex / makeglossaries
-	makeindex $(DOKUMENT)
-	pdflatex $(DOKUMENT).tex -interaction=batchmode -output-format=pdf # include index
-	pdflatex $(DOKUMENT).tex -interaction=batchmode -output-format=pdf # include symbol table
+	pdflatex $(SOURCE).tex -interaction=batchmode -output-format=pdf # aux-files for makeindex / makeglossaries
+	makeindex $(SOURCE)
+	pdflatex $(SOURCE).tex -interaction=batchmode -output-format=pdf # include index
+	pdflatex $(SOURCE).tex -interaction=batchmode -output-format=pdf # include symbol table
 	make clean # remove intermediate files like *.log and *.aux
 
 ebook:
-	latexml --dest=$(DOKUMENT).xml $(DOKUMENT).tex
-	latexmlpost -dest=$(DOKUMENT).html $(DOKUMENT).xml
-	ebook-convert $(DOKUMENT).html $(DOKUMENT).epub --language de --no-default-epub-cover
+	latexml --dest=$(SOURCE).xml $(SOURCE).tex
+	latexmlpost -dest=$(SOURCE).html $(SOURCE).xml
+	ebook-convert $(SOURCE).html $(SOURCE).epub --language de --no-default-epub-cover
 
 all:
 	cd definitions;make
diff --git a/documents/entropie-distanz/Makefile b/documents/entropie-distanz/Makefile
index e7285ec..db38f22 100644
--- a/documents/entropie-distanz/Makefile
+++ b/documents/entropie-distanz/Makefile
@@ -4,4 +4,4 @@ make:
 	make clean
 
 clean:
-	rm -rf  $(TARGET) *.class *.html *.log *.aux *.out
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.out _minted-entropie-distanz