@mastersthesis {570,
	title = {The Differentiation of Tracheary Elements from the Cambium of Pinus Edulis Engelm: The Correlation of Differentiation with Measured Ring Width and Environmental Factors},
	volume = {MS},
	year = {1965},
	school = {University of Arizona},
	abstract = {<p>This study was undertaken to determine by means of thin sections, the sequence of tracheid production in pinyon pine and to compare these findings with instrumental measurements of radial increases and with phonological observations\&hellip;</p>},
	author = {Stokes, M.}
}
