Kremen, W. S., Jacobson, K. C., Panizzon, M. S., Xian, H., Eaves, L. J., Eisen, S. A., . . . Lyons, M. J. (2008). Factor Structure of Planning and Problem-solving: A Behavioral Genetic Analysis of the Tower of London Task in Middle-aged Twins.

Kremen, William S., Kristen C. Jacobson, Matthew S. Panizzon, Hong Xian, Lindon J. Eaves, Seth A. Eisen, Ming T. Tsuang, and Michael J. Lyons. Factor Structure of Planning and Problem-solving: A Behavioral Genetic Analysis of the Tower of London Task in Middle-aged Twins. 2008.

Kremen, William S., et al. Factor Structure of Planning and Problem-solving: A Behavioral Genetic Analysis of the Tower of London Task in Middle-aged Twins. 2008.