@unpublished{publication-18172,
	author={Meier, Philippe and Flepp, Raphael and R{\"u}disser, Maximilian Valentin and Franck, Egon},
	institution={University of Zurich},
	issn={2296-0422},
	number=383,
	pages=28,
	series={UZH Business Working Paper Series},
	title={Investigating the conditions for psychological momentum in the field : evidence from men’s professional tennis},
	year=2019,
}