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170901s1945 ag r 000 0 spa d |
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|a AR-CrUNPB
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|a 616.075 72/H.11
|2 20
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|a Hart, Alan L
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|a Argibay, Hector J
|e tr
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|a Estos misteriosos rayos :
|b una explicacion no tecnica del uso de los rayos X, rayos ultravioletas y radio, especialmente en medicina /
|c Alan L Hart
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|a .075 72
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|a Buenos Aires :
|b Orientacion Intelectual Humana,
|c 1945
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|a 243 p
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|a Registros migrados a formato MARC
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650 |
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7 |
|a RADIOLOGIA
|2 Unescot
|9 5416
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650 |
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|a RAYOS X
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942 |
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|c BK
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|a lg020719
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|c 67188
|d 67188
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