LeSuer, Dale A.; McCormick, James H.; Mayhew, Jerry L.; Wasserstein, Ronald L.; Arnold, Michael D. The Accuracy of Prediction Equations for Estimating 1-RM Performance in the Bench Press, Squat, and Deadlift (англ.) // Journal of Strength and Conditioning Research[англ.] : journal. — 1997. — November (vol. 11, no. 4). — P. 211—213. — doi:10.1519/00124278-199711000-00001.
LeSuer, Dale A.; McCormick, James H.; Mayhew, Jerry L.; Wasserstein, Ronald L.; Arnold, Michael D. The Accuracy of Prediction Equations for Estimating 1-RM Performance in the Bench Press, Squat, and Deadlift (англ.) // Journal of Strength and Conditioning Research[англ.] : journal. — 1997. — November (vol. 11, no. 4). — P. 211—213. — doi:10.1519/00124278-199711000-00001.