Schweingruber, F. H., & Kienast, F. (2007). Tree-ring measurements of Pinus sylvestris (Scotch pine) from sample TOR-41. PANGAEA.
Cita Chicago Style (17a ed.)Schweingruber, Fritz Hans, y Felix Kienast. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample TOR-41. PANGAEA, 2007.
Cita MLA (9a ed.)Schweingruber, Fritz Hans, y Felix Kienast. Tree-ring Measurements of Pinus Sylvestris (Scotch Pine) from Sample TOR-41. PANGAEA, 2007.
Precaución: Estas citas no son 100% exactas.