added data sources

README.md

 # Scripts for the Publication:
 
+## Data sources
+
+Genome mapping files for _Mus musculus domesticus GER_, _Mus musculus domesticusFRA_, _Mus musculus domesticus IRA_, _Mus musculus musculus AFG_, _Mus musculus castaneus CAS_ and _Mus spretus SPRE_ were obtained from <http://wwwuser.gwdg.de/~evolbio/evolgen/wildmouse/m_m_domesticus/genomes_bam/>, <http://wwwuser.gwdg.de/~evolbio/evolgen/wildmouse/m_m_musculus/genomes_bam/>, <http://wwwuser.gwdg.de/~evolbio/evolgen/wildmouse/m_m_castaneus/genomes_bam/>, <http://wwwuser.gwdg.de/~evolbio/evolgen/wildmouse/m_spretus/genomes_bam/>. For mapping details please look into the original publication [Harr et al. 2016](http://www.nature.com/articles/sdata201675) <http://www.nature.com/article-assets/npg/sdata/2016/sdata201675/extref/sdata201675-s7.docx>.
+
 ## Get masking regions for individual samples and natural populations
 
+
+
 _used software:
 
 ## SNP and INDEL calling