@book{51234,
	author = {Šubrt, Jiří,},
	title = {The systemic approach in sociology and Niklas Luhmann :},
	publisher = {Emerald Publishing Limited,},
	year = {2020.},
	address = {Bingley, U.K. :},
	note = {Includes index.},
	url = {https://doi.org/10.1108/9781839090295}
}