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	[книга]
	10th Jubilee international Conference of the Balkan Physical Union
	Jubilee International Conference of the Balkan Physical Union, X. Sofia. 2018    Petrov, Aleksandar Georgiev редактор, и др.
	Sofia : Tip-top Press
	2018
ISBN:	978-954-723-213-6
	Физика - конференции

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