@book{16187,
	author = {Guayara Parra Andres Felipe, Monroy Farfán Daniel Hernando. and Andres Felipe Guayara Parra},
	title = {Implicaciones de la altimetría en obras civiles, El Espinal Tolima 2020},
	publisher = {ITFIP},
	year = {Año 2020},
	address = {El Espinal Tolima},
	note = {ITFIP}
}