Volumes 4, 5 & 6

ABR Volume 4, Issue 1 – March 2012
ABR Volume 4, Issue 2 – June 2012
ABR Volume 4, Issue 3 – September 2012
ABR Volume 4, Issue 4 – December 2012

ABR Volume 5, Issue 1 – March 2013
ABR Volume 5, Issue 2 – June 2013
ABR Volume 5, Issue 3 – September 2013
ABR Volume 5, Issue 4 – December 2013

ABR Volume 6, Issue 1 – March 2014
ABR Volume 6, Issue 2 – June 2014
ABR Volume 6, Issue 3 – September 2014
ABR Volume 6, Issue 4 – December 2014