00402nam a2200133 a 4500008004100000020002900041100001900070245004200089250001200131260004400143300003300187650002700220050002100247850611s1986    mauabc   b    001 0 eng    a0669093599 (pbk. : v. 1)1 aWillis, F. Roy10aWorld civilizations /cF. Roy Willis.  a2nd ed.  aLexington, Mass. :bD.C. Heath,cc1986.  a2 v. :bill., maps, ports. ; 0aCivilizationxHistory.00aCB 69b.W54 1986