Hansson, B. S., Szöcs, G., Schmidt, F., Francke, W., Löfstedt, C., & Toth, M. (1990).
Electrophysiological and chemical-analysis of sex pheromone communication system of the mottled umber, Erannis defoliaria
(Lepidoptera, Geometridae). Journal of Chemical Ecology, 16(6),
1887-1897. doi:10.1007/bf01020502.