B. R. Payne, J. J. Jackson и др., «In the Zone: Flow State and Cognition in Older Adults», Psychology and Aging 26, no. 3 (сентябрь 2011 года): 738–743.
62
S. B. Ostlund and B. W. Balleine, «On Habits and Addiction: An Associative Analysis of Compulsive Drug Seeking», Drug Discovery Today: Disease Models 5, no. 4 (зима 2008 года): 235–245.
