Andreas Stefik Christopher D. Hundhausen Robert Patterson An empirical investigation into the design of auditory cues to enhance computer program comprehension. 820-838 2011 69 Int. J. Hum.-Comput. Stud. 12 http://dx.doi.org/10.1016/j.ijhcs.2011.07.002 db/journals/ijmms/ijmms69.html#StefikHP11