References
Graham, S. (2015). What is a DH primer? Retrieved from http://dhcu.ca/2015/what-is-a-dh-primer .
Handke, J. (2013). Phonetics - speech perception. The Virtual Linguistics Campus Video Library. Available at :
Stephenson, N. (1995). The diamond age or, a young lady's illustrated primer. USA: Bantam Spectra.