@book{20691,
	author = {Krustrup, Peter},
	title = {Chapter Soccer Fitness},
	url = {https://library.oapen.org/bitstream/20.500.12657/31172/1/636930.pdf||https://library.oapen.org/bitstream/20.500.12657/31172/1/636930.pdf||https://library.oapen.org/bitstream/20.500.12657/31172/1/636930.pdf}
}