Answer:
The "Discovery Criteria" for Asperger's Syndrome by Tony Attwood and Carol Gray can be found at the links provided below. The characteristics of people with Asperger's Syndrome are put in positive terms.
Attwood's website has a description of Asperger's Syndrome with the more common list of characteristics, too. Plus, The Australian Scale for Asperger's Syndrome developed by Garnett and Attwood is provided at O.A.S.I.S.