003550000a2200109000450024500730000065000290007365000270010265000180012904100130014710000170016077300680017710aEcological economics of foraging among coevolving animals and plants14aRelación planta-animal14aEcología económica14aCoevolución0 aInglés1 aCovich, Alan1 tAnnals of the Missouri Botanical Garden3157h61q794-805d1974