Schweingruber, F. H. (2007). Tree-ring measurements of Pinus sylvestris (Scotch pine) from sample AFFRI-101. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample AFFRI-101. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample AFFRI-101. PANGAEA, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.