| Altenburger, R., and Matile, P. 1990. Further observations on rhythmic emission of fragrance in flowers. Planta. 180:194-197. |
| |
| Kaiser, R. 1997. Environmental scents at the Ligurian coast. Perfumer Flavorist. 22:7-18. |
| |
| Matile, P., and Altenburger, R. 1988. Rhythms of fragrance emission in flowers. Planta. 174:242-247. |
| |