Schweingruber, F. H., & Luder, R. (2007). Tree-ring measurements of Pinus sylvestris (Scotch pine) from sample MALLA-121. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans, e Rolf Luder. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample MALLA-121. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans, e Rolf Luder. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample MALLA-121. PANGAEA, 2007.
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