1. Chemical constituents of nectar in relation to pollination mechanisms and phylogeny;Baker,1982
2. Floral nectar sugar constituents in relation to pollinator type;Baker,1983
3. A brief historical review of the chemistry of floral nectar;Baker,1983
4. The evolution of empty flowers;Bell;J. Theor. Biol.,1986
5. A systematic survey of floral nectaries;Bernardello,2007