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61
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62
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63
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64
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65
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66
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67
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68Published 2002Archived copy available within National Library of New Zealand only
Connect to electronic resource
Electronic Journal -
69
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70Published 2017Connect to electronic resource
Archived copy available at the National Library of New Zealand
Electronic Journal -
71Published 1980Full text available from SpringerLINK Archive - Physics and Astronomy: 1980 to 1990
Electronic Journal -
72
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73
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74
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75
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76Published 1998Full text available from Factiva
Full text available from Agence Europe: 2000 to present
Electronic Journal -
77
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78
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79
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80