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Published Online: Jun 08, 2013
Page range: 61 - 64
DOI: https://doi.org/10.2478/prolas-2013-0011
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Rozentāls, Rafails
Bicāns, Jānis
Truškovs, Sergejs
Jušinskis, Jānis
Ševeļovs, Viktors
Nikolajenko, Anita