81 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2010-12-17 07:01:35
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82 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2010-12-17 06:37:46
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83 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2013-02-17 07:56:37
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84 | Add to Reading ListSource URL: scienwork.uft-plovdiv.bgLanguage: Bulgarian - Date: 2015-03-16 16:34:47
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85 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2010-12-17 06:42:11
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86 | Add to Reading ListSource URL: www.unece.orgLanguage: Russian - Date: 2009-09-15 23:34:26
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87 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2010-12-17 06:58:02
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88 | Add to Reading ListSource URL: www.ioinformatics.orgLanguage: English - Date: 2012-10-18 20:40:02
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89 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2010-12-17 07:05:37
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90 | Add to Reading ListSource URL: www.au-plovdiv.bgLanguage: Bulgarian - Date: 2013-11-13 08:25:23
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