path: root/citati.bib

@online{hpstrings,
	author = {Nave, Carl Rod},
	title = {{HyperPhysics Concepts: Standing Waves on a String}},
	year = {2016},
	url = {http://hyperphysics.phy-astr.gsu.edu./hbase/Waves/string.html},
	urldate = {2016-11-09}
}