@article{HutchinsonUlrichAzrin1965, author = {R. R. Hutchinson and R. E. Ulrich and N. H. Azrin}, title = {Effects of Age and Related Factors on the Pain-Aggression Reaction}, journal = {Journal of Comparative and Physiological Psychology, Vol. 59 (No. 3, 1965), pp. 365-369.}, year = {1965}, }