1. Eiserhardt WL, Svenning JC, Kissling WD, Balslev H, Ann H (2011) Bot 108:1391–1416
2. Killmann W (1993) University of Hamburg, Germany, p 213
3. Fathi L (2014) Ph.D. thesis, University of Hamburg, Germany, p 248
4. Bahmani M, Schmidt O, Fathi L, Frühwald A (2014) Wood Mater Sci Eng 11:239–247
5. Jones LD (1996) Palms: throughout the world. Sci Teach 63:98