Léo-Daniel Lambert

Determinants of condom use among a random sample of single heterosexual adults.

Mark Conner, Gaston Godin, M. Conner, 2005, British journal of health psychology.

Stages of motivational readiness for physical activity: a comparison of different algorithms of classification.

Gaston Godin, Denis Prud'homme, Neville Owen, 2004, British journal of health psychology.