Schweingruber, F. H., & Brunner, M. (2007). Tree-ring measurements of Picea glauca (White spruce) from sample CASSI-122. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans, e Margrit Brunner. Tree-ring Measurements of Picea Glauca (White Spruce) from Sample CASSI-122. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans, e Margrit Brunner. Tree-ring Measurements of Picea Glauca (White Spruce) from Sample CASSI-122. PANGAEA, 2007.
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