David G. Gilbert (Gilbert, David G.)

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  Personality, Social Skills, and Psychopathology: An Individual Differences Approach
  by David G. Gilbert, James J. Connolly
  Hardcover, Kluwer Academic Pub, ISBN 0306437937 (0-306-43793-7)
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  Smoking : Individual Differences, Psychopathology, and Emotion
  by David G. Gilbert
  Hardcover, Taylor & Francis Group, ISBN 1560321717 (1-56032-171-7)