@Article{AUTOMATICA-24_Khong-Zhao-Lanzon, author = "Khong, S. Z. and Zhao, D. and Lanzon, A.", title = "Converse negative imaginary theorems", journal = "Automatica", volume = 165, pages = "111682 (1-8)", doi = "10.1016/j.automatica.2024.111682", month = jul, year = 2024}