1. ASTM E399-89, Standard Test Method for Plane-Strain Fracture Toughness of Metallic Materials, Annual Book of ASTM Standards, Vol. 03.01. p. 522. 1986.
2. Ivica Camagic, Simon A. Sedmak, Aleksandar Sedmak, Zijah Burzic, Mihajlo Arandjelovic, The impact of the temperature and exploitation time on the tensile properties and plain strain fracture toughness, KIc in characteristic areas of welded joint, Frattura ed Integrita Strutturale, ISSN 1971-8993, No. 46, Vol. 12, (October 2018), pp. 371–382, DOI: 10.3221/IGF-ESIS.46.34, GRUPPO ITALIANO FRATTURA, VIA G DI BIASIO, CASSINO, ITALY, 03043, https://www.fracturae.com/index.php/fis/issue/view/299
3. Impact of Temperature and Exploitation Time on Plane Strain Fracture Toughness, KIc, in a Welded Joint;Čamagić;Structural Integrity and Life,2017
4. SRPS EN ISO 9692-1:2012, Welding and allied processes - Recommendations for joint preparation - Part 1: Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels (ISO 9692-1:2003), 2012.
5. SRPS EN ISO 9692-2:2008, Welding and allied processes - Joint preparation - Part 2: Submerged arc welding of steels (ISO 9692-2:1998), 2008.