Squashed '2013_sipontomed_archeofoss13/source/refs/' content from commit 60bbd3e

git-subtree-dir: 2013_sipontomed_archeofoss13/source/refs
git-subtree-split: 60bbd3e451fdd1d1ccc9013bd3533f577c48d42c
Merge commit 'a1a5a2a760338b927ae327a4a6598c63423f1fa9' as '2013_sipontomed_archeofoss13/source/refs'
removed cruft, added YAMLs and bibliography