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071207c19689999||| 00 0 eng d |
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|a A study on the optical and chemical characters of some coals carbonized in the laboratory /
|c T. K. Ghosh.
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| 260 |
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|a ,
|c 1968
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| 504 |
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|b 8 refs.
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| 504 |
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|b 8 refs.
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| 650 |
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|a Ghosh, T. K..
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| 300 |
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|a p. 182-187
|c 27 cm.
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| 040 |
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|c AR-RiUNS
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| 866 |
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| 773 |
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|t ECONOMIC Geology and the bulletin of the Society of Economic Geologists
|w E1
|g Vol. 63, n. 2 (Mar.-Apr. 1968)
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| 942 |
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|c PP
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| 999 |
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|c 24087
|d 24087
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