@book{37119,
	author = {Thompson, J.E.},
	title = {Trigonometría /},
	publisher = {UTEHA, Noriega Editores  },
	year = {1967 [reimpresión]1993.},
	series = {Matemáticas al alcance de todos.},
	address = {México D.F. },
	note = {Traducción de: Trigonometry for the practical man.}
}