00401namua2200145 a 450000100180000000800410001802000150005910000220007424500680009625000180016426000330018230000110021550100120022600500170023800000000000002747070429s1991    us            000   eng    a01353319190 aHughes B. B.4aut10aContinuity and Change in World Politics: Competing Perspectives  aThird edition  aU.S.A.bPrentice Hall,c1991  a556 p.  an/1116620260805124321.0