"Masthead" Groups - Complexity - Cryptology, 4.1 (2012): i-iv. Retrieved 22 May. 2013, from doi:10.1515/gcc-2012-masthead1

Masthead. Groups - Complexity - Cryptology (2012), 4(1), pp. 1-189. Retrieved 22 May. 2013, from doi:10.1515/gcc-2012-masthead1

Masthead. Groups - Complexity - Cryptology. 2012. 4(1): 1-189. Retrieved 22 May. 2013, from doi:10.1515/gcc-2012-masthead1