Shimizu, T., Tsuchida, M., Kawai, K., Takahashi, K., Arakawa, K., & Satoh, M. (2009). An analysis of the putter face control mechanism in golf putting. Sports engineering, 12(1), S. 21-30. doi:10.1007/s12283-009-0025-4

Shimizu, Tetsuo, M. Tsuchida, K. Kawai, K. Takahashi, K. Arakawa, and M. Satoh. "An Analysis of the Putter Face Control Mechanism in Golf Putting." Sports Engineering 12, no. 1 (2009): S. 21-30.

Shimizu, Tetsuo, et al. "An Analysis of the Putter Face Control Mechanism in Golf Putting." Sports Engineering 12.1 (2009): S. 21-30.