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035 _a10946
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998 _aBATCH
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082 0 4 _a082 L1231 No.53
100 1 _aLang, Roberto
245 0 0 _aFísica experimental I /
_cRoberto Lang
260 _aBarcelona :
_bLabor,
_c1927
300 _av.
650 4 _aFÍSICA
830 0 _aCol. Labor ;53
999 _c10943
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