Einar Sigmundstad

Temporal links to performing under pressure in international soccer penalty shootouts

Geir Jordet, E. Hartman, G. Jordet, 2009 .

Characteristics of goal-scoring possessions in open play: Comparing the top, in-between and bottom teams from professional soccer league

A. Tenga, Einar Sigmundstad, Albin Tenga, 2011 .