diff --git a/doc/Braun_et_al_2008.pdf b/doc/Braun_et_al_2008.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3e209bc490ed76e0f486129134a75a24d269ddfd
Binary files /dev/null and b/doc/Braun_et_al_2008.pdf differ
diff --git a/doc/DOUAR_manual.pdf b/doc/DOUAR_manual.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c547344cf9b95d00739985bd9ac707eaf09c4db3
Binary files /dev/null and b/doc/DOUAR_manual.pdf differ