Update Latex/README.md

Latex/README.md

@@ -55,9 +55,10 @@ pandoc -d eisvogel.tex -o MyPaper.pdf
 ```
 
 Links:
+- [Jabref - Reference manager (opensource, all platforms)](https://www.jabref.org)
+- [Zotero - Reference manager (all platforms)](https://www.zotero.org)
+- [Herbert Voß - Latex Referenz der Umgebungen (Makros, Längen, Zähler)](http://www.lehmanns.de/pdf/latexreferenz.pdf)
 - [Table Converter Online (csv, xml, json, excel, md, tex, ...)](https://tableconvert.com)
 - [Pandoc Demos](https://pandoc.org/demos.html)
-- [Academic Pandoc template](https://maehr.github.io/academic-pandoc-template/)
-![](https://maehr.github.io/academic-pandoc-template/android-chrome-512x512.png)
-- [Eisvogel Pandoc Template](https://github.com/Wandmalfarbe/pandoc-latex-template)
-![](https://github.com/Wandmalfarbe/pandoc-latex-template/blob/master/icon.png)
\ No newline at end of file
+- [Academic Pandoc template](https://maehr.github.io/academic-pandoc-template/) <img src="https://maehr.github.io/academic-pandoc-template/android-chrome-512x512.png" width="30px">
+- [Eisvogel Pandoc Template](https://github.com/Wandmalfarbe/pandoc-latex-template) <img src="https://github.com/Wandmalfarbe/pandoc-latex-template/blob/master/icon.png?raw=true" width="30px">