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005 20130619141943.0
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100   $a20121031d1931----km-y0itay50------ba
101 0 $aeng
102   $aGB
105   $aa-------001yy
200 1 $aGeneral stratigraphy$fby J.W. Gregory and B.H. Barret
210   $aLondon$cMethuen and Co.$d1931
215   $aXII, 285 p.$cill.$d19 cm
610 0 $aPetrografia$aPetrologia
700  1$aGregory,$bJohn Walter$f<1864-1932>$074994
701  1$aBarrett,$bB.H.$0518083
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