@book {65783,
	title = {Modal analysis of a new electro-hydraulic dual axis solar tracking system prototype using the finite element method,May 15 to 19, 2015},
	year = {2015},
	month = {2015},
	publisher = {Skopje},
	organization = {Skopje},
	address = {Macedonia},
	author = {OUTTAS, T. and FERROUDJI, F.}
}
