1. Baker HG (1975) Sugar concentrations in nectars from hummingbird flowers. Biotropica 7:37?41
2. Baker HG (1977a) Non-sugar chemical constituents of nectar. Apidologie 8:349?356
3. Baker HG (1977b) Chemical aspects of the pollination biology of woody plants in the tropics. In: Tomlinson PB, Zimmermann M (eds), Tropical Trees as Living Systems. Cambridge Univ Press, New York, pp 57?82
4. Baker HG, Baker I (1975) Studies of nectar-constitution and pollinatorplant coevolution. In: Gilbert LE, Raven PH (eds), Animal and Plant Coevolution. Univ of Texas press, Austin, pp 100?138
5. Baker HG, Baker I (1982a) Floral nectar sugar constituents in relation to pollinator type. In: Jones CE, Little RJ (eds), Handbook of Experimental Pollination Biology. Van Nortrand-Reinhold, New York