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|a 517.9:512.54
|b POL
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| 100 |
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|a Poluyanov, Leonid V.
|9 1223
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| 245 |
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|a Group properties of the acoustic differential equation
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| 300 |
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|a xiv, 151p.
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| 700 |
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|a Antonio Aguilar
|9 1249
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| 700 |
|
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|a Miguel Gonzalez
|9 1250
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| 942 |
|
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|c BK
|6 _
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| 260 |
|
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|a London
|b Taylor & Francis
|c 1995
|9 1224
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| 500 |
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|a Bibliog on p 147-148
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| 020 |
|
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|a 0 7484 0280 2
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| 999 |
|
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|c 522
|d 522
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| 952 |
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|0 0
|1 0
|2 udc
|4 0
|6 517951254_POL
|7 0
|9 1772
|a UL
|b UL
|d 2009-07-28
|o 517.9:512.54 POL
|p 00041576
|r 2009-07-28
|w 2009-07-28
|y BK
|