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Severity: Notice
Message: Undefined offset: 0
Filename: controllers/presentation.php
Line Number: 875
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/presentation.php
Line Number: 875
Author(s):
1. Radmila Lišanin, Institut za nuklearne nauke ”Vinča”, 11000 Beograd (Srbija),, Serbia
2. Mitar Lutovac, FM Herceg Novi , Montenegro
Applied paper from author