@book{1143, author = {Universidad Bolivariana de Venezuela}, title = {Gaceta Universitaria}, publisher = {Universidad Bolivariana de Venezuela}, year = {2015}, address = {Caracas, Venezuela}, url = {http://relibi.ubv.edu.ve/owncloud/public.php?service=files&t=57c8d3bcb46dbf4f369aaecf9032c77c} }