Schweingruber, F. H. (2007). Tree-ring measurements of Pinus sylvestris (Scotch pine) from sample INVER-111. PANGAEA.
Cita Chicago Style (17a ed.)Schweingruber, Fritz Hans. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample INVER-111. PANGAEA, 2007.
Cita MLA (9a ed.)Schweingruber, Fritz Hans. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample INVER-111. PANGAEA, 2007.
Precaución: Estas citas no son 100% exactas.