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008 951204s1970    us            ||| | eng  
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040   $aDip.to Fisica$bita
084   $a53.2.82
084   $a537.5'6
084   $aQC447
100 1 $aEl-Kareh, J.C.J.$0461782
245 10$aElectron beams, lenses, and optics /$cJ.C.J. El-Kareh, A.B. El-Kareh
260   $aNew York :$bAcademic Press, Inc.,$c1970
300   $a2 v. :$bill. ;$c24 cm.
650  4$aElectron optics
700 1 $aEl-Kareh, A.B.
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996   $aElectron beams, lenses, and optics$9186510
997   $aUNISALENTO
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