BRODIE, R. Variegated thistle-aerial spraying in Hawke’s Bay. Proceedings of the New Zealand National Weeds Conference, [S. l.], v. 4, p. 28–30, 1951. DOI: 10.30843/nzpp.1951.4.7051. Disponível em: https://journal.nzpps.org/index.php/pnzwc/article/view/7051. Acesso em: 23 jun. 2021.