Schweingruber, F. H., & Eimiger, M. (2007). Tree-ring measurements of Picea abies (Norway spruce) from sample JAHOR-61. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans, e Moritz Eimiger. Tree-ring Measurements of Picea Abies (Norway Spruce) from Sample JAHOR-61. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans, e Moritz Eimiger. Tree-ring Measurements of Picea Abies (Norway Spruce) from Sample JAHOR-61. PANGAEA, 2007.
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