Delmée, M., Reynaert, M., Michel, L., Alexandre, G., & Wauters, G. (1981). A Legionella Pneumophila Serogroup-1 Isolated From a Fatal Case of Legionnaires-disease. Acta Clinica Belgica (Multilingual Edition), 36(5), 262-263. https://hdl.handle.net/2078.5/145004 (Original work published 1981)