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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. Sorin Ioan Deaconu, Politehnica University of Timisoara, Romania
2. Deaconu Razvan, Politehnica University of Timisoara, Romania
3. Tihomir Latinović, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
Applied paper from author