R. Birkel

发表

Tom Lane, R. Birkel, L. L. Hall, 2003, The Psychiatric clinics of North America.

N. Reppucci, R. Birkel, R C Birkel, 1983, American journal of community psychology.

R. Glasgow, T. Brady, R. Birkel, 2014, Preventing chronic disease.

R. Glover, R. Birkel, R. Bernstein, 2003, Psychiatric services.

R. Birkel, M. Spafford, K. Kulinski, 2015, Front. Public Health.

T. Golaszewski, R. Birkel, B K Singh, 1993, The International journal of the addictions.

R. Birkel, Richard C. Birkel, 1987, Psychology and aging.