1
Published in 2000
doi: 10.1306/C9EBCE05-1735-11D7-8645000102C1865D
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journal article online
3
7
9
Published in 1938
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conference paper or compendium article online
10
Published in 1938
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conference paper or compendium article online
11
12
Published in 2004
conference paper or compendium article