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100   $a20020821d1969----km-y0itay50------ba
101 0 $aeng
105   $aa-------001yy
200 1 $aSemiconductor plasma instabilities$eincluding gunn-effect and avalanche oscillations$fby Hans Hartnagel
210   $aLondon$cHinemann educational books$d©1969
215   $a206 p.$cill.$d24 cm
610 0 $aSemiconduttori
610 0 $aInstabilità del plasma
676   $a537.622
700  1$aHartnagel,$bHans
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