A
Ashman, Tia-Lynn, Tiffany M. Knight, Janette A. Steets, Priyanga Amarasekare, Martin Burd, Diane R. Campbell, Michele R. Dudash, Mark O. Johnston, Susan J. Mazer, Randall J. Mitchell et al. "
Pollen limitation of plant reproduction: ecological and evolutionary causes and consequences."
Ecology 85 (2004): 2408-2421.