@book{37454,
	author = {Timoshenko, Stephen and MacCullough, Gleason Harvey},
	title = {Elements of strength of materials/},
	publisher = {D. Van Nostrand Company},
	year = {1949},
	address = {Toronto [etc.]},
	edition = {3rd ed., 2nd printing},
	note = {INcluye índices}
}