@article {3633,
	title = {Phenotypic Variation in Abies Balsamea in Response to Altitudinal and Geographic Gradients},
	journal = {Ecology},
	volume = {44},
	year = {1963},
	month = {summer},
	pages = {429-436},
	keywords = {Ecosystem, Geography, Trees -- Classification and description, Trees -- Growth},
	author = {Myers, Oval and Bormann, F H}
}
