@Misc{BVMC:224759,
author = {Blázquez, José María},
title = {Los anticonceptivos en la Antigüedad Clásica},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2005},
year = {2005},
url = {http://www.cervantesvirtual.com/nd/ark:/59851/bmc5x2n0}
}