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	[книга]
	19th International Symposium on modern Technologies, education and professional practice in geodesy and related fields, Sofia, 05-06 november 2009
	Milev, Georgi Kostov предг. - Милев, Георги Костов
	Sofia : Union of Syrveyors and Land Managers in Bulgaria
	2009
ISBN:	978-80-87159-07-1
	ИКТ - конференции Геодезия

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