Marthinus Stephanus ''Asmike'' Pretorius - Is "Asmike' a typo for 'known as Mike'?

Is "Asmike' a typo for 'known as Mike'?
'[Iris - Wendy's mother] spent her later years in Johannesburg with her elder daughter Wendy, who had married Mike Pretorius, a pilot, but Wendy died in tragic circumstances in 1969 [http://0-literature.proquest.com.fama.us.es/searchFulltext.do?id=R0... Alexander, Peter F.: Who is Iris Vaughan? New light on a remarkable colonial child autobiographer. AUMLA : Journal of the Australasian Universities Modern Language Association (105) May 2006, 17-34,147.]