World World Congress on Engineering and Computer Science 2019 : WCECS 2019 : 22-24 October, 2019, San Francisco, USA. -- 1. vyd. -- IAENG, 2019 Hong Kong. -- 504 s. -- (Lecture Notes in Engineering and Computer Science). -- ISBN : 978-988-14048-7-9. -- ISSN : 2078-0958.