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Ritman, J.
2005
International journal of modern physics / A, 20 (2005) S. 525 - 531
...Ritman, James...
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Ritman, J.
2005
International journal of modern physics / A, 20 (2005) S. 567 - 569
...Ritman, James...
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Ritman, J.
2005
...Ritman, James...