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1BogUdgivet 1911“...Geological Survey of Great Britain...”
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2Bogaf Manning, P. I. (Peter Inglett), 1928-“...Geological Survey of Great Britain...”
Udgivet 1970
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3
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4BogUdgivet 1910“...Geological Survey of Great Britain...”
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5
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6Bogaf Wilson, G. V., (George Victor), b. 1886“...Geological Survey of Great Britain...”
Udgivet 1922
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7BogUdgivet 1912“...Geological Survey of Great Britain...”
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8
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9
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10
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11
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12Serial
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13Serial
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14
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15BogUdgivet 1927“...Geological Survey of Great Britain...”
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16
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17BogUdgivet 1957“...Geological Survey of Great Britain...”
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18Bogaf Ussher, W. A. E. (William Augustus Edmond), 1849-1920“...Geological Survey of Great Britain...”
Udgivet 1933
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19
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20