The acute affective response of Type A Behaviour Pattern individuals to competitive and noncompetitive exercise
Canadian Journal of Behavioural Science / Revue canadienne des sciences du comportement (2003) - Comment
doi: 10.1037/h0087183  issn: 1879-2669  issn: 0008-400x 

Kevin S. Masters, Rick A. Lacaille, David S. Shearer