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020 _a0716604817
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040 _bspa
_cBJBSDDR
041 _aeng
050 _aR AG 5
_bW927 1981
082 _a031
245 0 4 _aThe 1981 World book year book :
_bthe annual supplement to the World book encyclopedia /
_cWilliam H. Nault, Editorial editor
246 1 4 _aThe World book year book, 1981.
260 _aChicago :
_bWorld Book-Childcraft International,
_c1981.
300 _a608 pages :
_billustrations ;
_c26 cm
500 _aIncludes index. At head of title: "A review of the events of 1980." Spine title: Year book, 1981.
650 4 _9382
_aEnciclopedias y diccionarios.
700 1 _96522
_aNault, William H.
_eeditor
710 2 _96523
_aField Enterprises Educational Corporation.
942 _2lcc
_cBK