Bibliography of skippers & butterflies of the World
(Lepidoptera: Hesperioidea & Papilionoidea)
[Compiled by Stanislav P. Abadjiev]
ANDERSON, J. B.
Anderson, J. B. & Brower, L. P. (1996): Freeze-protection of overwintering monarch butterflies in Mexico: critical role of the forest as a blanket and an umbrella. — Ecological Entomology 21 (2): 107—116 (V.1996).
