Schweingruber, F. H., & Luder, R. (2007). Tree-ring measurements of Abies alba (Silver fir) from sample C-ALTA-200. PANGAEA.
Cita Chicago Style (17a ed.)Schweingruber, Fritz Hans, y Rolf Luder. Tree-ring Measurements of Abies Alba (Silver Fir) from Sample C-ALTA-200. PANGAEA, 2007.
Cita MLA (9a ed.)Schweingruber, Fritz Hans, y Rolf Luder. Tree-ring Measurements of Abies Alba (Silver Fir) from Sample C-ALTA-200. PANGAEA, 2007.
Precaución: Estas citas no son 100% exactas.