Schweingruber, F. H., & Conkey, L. (2007). Tree-ring measurements of Picea rubens (Red spruce) from sample SUGA-81. PANGAEA.
Style de citation Chicago (17e éd.)Schweingruber, Fritz Hans, et Laura Conkey. Tree-ring Measurements of Picea Rubens (Red Spruce) from Sample SUGA-81. PANGAEA, 2007.
Style de citation MLA (9e éd.)Schweingruber, Fritz Hans, et Laura Conkey. Tree-ring Measurements of Picea Rubens (Red Spruce) from Sample SUGA-81. PANGAEA, 2007.
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