@book{77642,
	author = {RUIZ MORENO, Ángel Guillermo},
	title = {La constitución mexicana de 1917 y su peculiar vinculación con el derecho de la seguridad social del siglo XXI = The mexican constitution of 1917 and its peculiar relationship with the law of social segurity of the 21st century},
	note = {Doctrina}
}