Nurmekivi, A. (1997). A combination of different training means in the preparation of elite middle distance runners. Middle distances: Contemporary theory, technique and training, S. 65-69.

Nurmekivi, Ants. "A Combination of Different Training Means in the Preparation of Elite Middle Distance Runners." Middle Distances: Contemporary Theory, Technique and Training 1997: S. 65-69.

Nurmekivi, Ants. "A Combination of Different Training Means in the Preparation of Elite Middle Distance Runners." Middle Distances: Contemporary Theory, Technique and Training 1997: S. 65-69.