Clearer appendix-backmatter separation

main.tex

@@ -52,12 +52,14 @@
 \import{4-conclusion}{part}
 \importchapter{4-conclusion}{conclusion}
 
-\backmatter
+\appendix
 \importchapter{4-conclusion}{publications}
-\importchapter{4-conclusion}{bibliography}
-\importchapter{4-conclusion}{acronyms}
-\importchapter{4-conclusion}{figures}
-\importchapter{4-conclusion}{tables}
-%\importcover{4-conclusion}{backcover}
+
+\backmatter
+\importchapter{5-back}{bibliography}
+\importchapter{5-back}{acronyms}
+\importchapter{5-back}{figures}
+\importchapter{5-back}{tables}
+\import{5-back}{backcover}
 
 \end{document}