%0 Journal Article %T Summer precipitation influences the stable oxygen and carbon isotopic composition of tree-ring cellulose in Pinus ponderosa %A Roden, John S. %A Ehleringer, James R. %J Tree Physiology %V 27 %N 4 %P 491-501 %@ 0829-318X %D 2007-04-01 %I Oxford University Press %~ DeepDyve