Links for abstraction

abstraction-2015.10.30.2039.tar.gz
abstraction-2015.12.2.1425.tar.gz
abstraction-2016.2.8.2250.tar.gz
abstraction-2016.3.2.1123.tar.gz
abstraction-2016.6.1.1602.tar.gz
abstraction-2016.6.15.1537.tar.gz
abstraction-2016.6.17.1558.tar.gz
abstraction-2016.6.2.1354.tar.gz
abstraction-2016.6.22.1658.tar.gz
abstraction-2017.1.16.1534.tar.gz