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101 0 $aeng
200 1 $a<<The >>Nature of Comets$fby Nikolaus B. Richter$gtranslated and revised edition by Arthur Beer$gwith an introduction and additional contributions by R.A. Lyttleton
210   $aLondon$cMethuen$d1963
610 0 $aAstronomia
610 0 $aAstrofisica
610 0 $aCosmologia
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700  1$aRichter,$bNikolaus B.$050174
702  1$aBeer,$bArthur
702  1$aLyttleton,$bR.A.
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aNature of Comets$9340672
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