Schweingruber, F. H. (2007). Tree-ring chronology of Abies alba (Silver fir) compiled from tree samples ASPRO. PANGAEA.
Chicago-čujuhus (17. p.)Schweingruber, Fritz Hans. Tree-ring Chronology of Abies Alba (Silver Fir) Compiled from Tree Samples ASPRO. PANGAEA, 2007.
MLA-čujuhus (9. p.)Schweingruber, Fritz Hans. Tree-ring Chronology of Abies Alba (Silver Fir) Compiled from Tree Samples ASPRO. PANGAEA, 2007.
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