Wu, J.;                     Lin, B.;                     Wang, H.;                     Zhang, X.;                     Wang, Z.;                     Wang, J.    
        Optimizing the High-Level Maintenance Planning Problem of the Electric Multiple Unit Train Using a Modified Particle Swarm Optimization Algorithm. Symmetry 2018, 10, 349.
    https://doi.org/10.3390/sym10080349
    AMA Style
    
                                Wu J,                                 Lin B,                                 Wang H,                                 Zhang X,                                 Wang Z,                                 Wang J.        
                Optimizing the High-Level Maintenance Planning Problem of the Electric Multiple Unit Train Using a Modified Particle Swarm Optimization Algorithm. Symmetry. 2018; 10(8):349.
        https://doi.org/10.3390/sym10080349
    
    Chicago/Turabian Style
    
                                Wu, Jianping,                                 Boliang Lin,                                 Hui Wang,                                 Xuhui Zhang,                                 Zhongkai Wang,                                 and Jiaxi Wang.        
                2018. "Optimizing the High-Level Maintenance Planning Problem of the Electric Multiple Unit Train Using a Modified Particle Swarm Optimization Algorithm" Symmetry 10, no. 8: 349.
        https://doi.org/10.3390/sym10080349
    
    APA Style
    
                                Wu, J.,                                 Lin, B.,                                 Wang, H.,                                 Zhang, X.,                                 Wang, Z.,                                 & Wang, J.        
        
        (2018). Optimizing the High-Level Maintenance Planning Problem of the Electric Multiple Unit Train Using a Modified Particle Swarm Optimization Algorithm. Symmetry, 10(8), 349.
        https://doi.org/10.3390/sym10080349