LEADER 00670nam0 2200241 i 450 
001 IEI0061996
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215   $aXIII, 367 p.$d22 cm
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700  1$aRogers$b, Everett M.$3MILV020113$4070$0108298
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912   $aIEI0061996
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996   $aDiffusion of innovations$968881
997   $aUNISANNIO