= Slaveykov, Petar Lozanov
      5 
      3  5

	[книга]
	Second International conference Global changes and new challenges of 21st century, 22-23 April 2005, Sofia, Bulgaria
	International Conferencen Global Changes and New Challenges of 21st Century, II. Sofia. 2005    Slaveykov, Petar Lozanov и др., редактор - Славейков, Петър Лозанов    Nikolova, Nina Vankova редактор - Николова, Нина Ванкова    Zlatunova, Daniela Slavceva редактор - Златунова, Даниела Славчева
	Sofia : St. Kliment Ohridski univ. press
	2006
ISBN:	954-07-2346-9, 978-954-07-2346-4
	Екология - конференции Екология - България

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