00413cam a2200169   450000500170000024500620001702000150007910000300009404400190012425000090014304100080015230000230016050000050018383000050018826000360019308200140022920260711133859.0  aAmerican Government:People, institutions, and Policies.b  a0395667143  aJohnson, Paul E. y otros.  aEstados Unidos  a3ª   aeng  a872 p. il.; 23 cm.  a  v  aBoston bHoughton Mifflinc1994  a327bJ66a