@article {276,
	title = {Stomatal behavior of ozone-sensitive and -insensitive coneflowers ( Rudbeckia laciniata var. digitata ) in Great Smoky Mountains National Park},
	journal = {New Phytologist},
	year = {2006},
	month = {07/2006},
	author = {L. E. Grulke and H.S. Neufeld and A.W. Davison and M. Roberts and A.H. Chappelka}
}
