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when toggle format what by license comment
May 6, 2015 at 20:14 comment added Greg P. Thanks a lot for the start, its rather hard for me because I do not have many categories for psychological knowledge when looking for references.
May 6, 2015 at 20:13 vote accept Greg P.
May 6, 2015 at 14:30 history answered Leo CC BY-SA 3.0