HERPPICH, Werner B.; ZUDE, Manuela. Chlorophyllfluoreszenzbildanalyse und Fluoreszenzspektralanalyse. agricultural engineering.eu, [S. l.], v. 57, n. 2, p. 98–99, 2002. DOI: 10.15150/lt.2002.1592. Disponível em: http://195.37.233.11/landtechnik/article/view/2002-57-2-098-099. Acesso em: 5 mai. 2024.