Mihai Brânzei and  Tudor Coman,  Structure Improvement of Aluminothermic Welding Joints by Using Modifiers.   journal   = {International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 745 - 748[viewed 20 April 2018]. Available from: http://waset.org/publications/8439.