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41de réir Turner, Francis J. (Francis John)Ábhair “...Metamorphic rocks...”
Foilsithe / Cruthaithe 1981
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42
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43Foilsithe / Cruthaithe 1983Ábhair “...Carbonate rocks...”
LEABHAR -
44
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45
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46
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47de réir Winkler, Helmut G. F., 1915-Ábhair “...Metamorphic rocks...”
Foilsithe / Cruthaithe 1976
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48Foilsithe / Cruthaithe 1976Ábhair “...Crystalline rocks...”
LEABHAR -
49
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50
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51
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52
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53
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54
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55de réir Hughes, Charles J. (Charles James)Ábhair “...Igneous rocks....”
Foilsithe / Cruthaithe 1982
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56
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57
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58de réir Barker, D. S. (Daniel Stephen), 1934-Ábhair “...Igneous rocks....”
Foilsithe / Cruthaithe 1983
LEABHAR -
59de réir Winkler, Helmut G. F., 1915-Ábhair “...Metamorphic rocks...”
Foilsithe / Cruthaithe 1974
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60Foilsithe / Cruthaithe 1975Ábhair “...Sedimentary rocks...”
LEABHAR