00407nam a2200133ua 4500001000700000008004100007082001400048100002500062245005400087260005600141300001100197490004200208651002300250006863181020s1951    sp     gr     000 1 spa d04a940bM7331 aMommsen, Wolfgang J.13aLa epoca del imperialismo / cWolfgang J. Mommsen  aMéxico : bSiglo Xxi de España Editores, c1987  a360 p.0 aHistoria universal siglo XXIvVol. 28 4aEuropa - 1885-1918