@book{15404,
	author = {Piraquive Mora Christian Camilo and Christian Camilo Piraquive Mora},
	title = {Elaborar curvas para el diseño de mezclas de concreto hidraulica con material del rio la caima, Espinal Tolima, 2018 },
	publisher = {ITFIP},
	year = {2018},
	address = {ESPINAL}
}