(1996) „Palatability and escaping ability in Neotropical butterflies: tests with wild kingbirds (Tyrannus melancholicus, Tyrannidae)”. Biological Journal of the Linnean Society59 (4), 351–363. o. DOI:10.1111/j.1095-8312.1996.tb01471.x.HTML abstract
(1996) „Palatability and escaping ability in Neotropical butterflies: tests with wild kingbirds (Tyrannus melancholicus, Tyrannidae)”. Biological Journal of the Linnean Society59 (4), 351–363. o. DOI:10.1111/j.1095-8312.1996.tb01471.x.HTML abstract