[1] Sessions, J., Boston, K., Murphy, G., Wing, M.G. and Kellogg, L., 2007. Harvesting operation in the Tropics. Springer-Verlag, Berlin, Heidelberg. 170 p.
[2] Conway, S., 1984. Logging practice; principles of timber harvesting systems. Miller Freeman Publications, Inc. 465 P.
[3] IFRWO, 1989. Grading and scaling of wood products. Iranian Forest, Rangeland and Watershed Organization, Working paper, 35 p.
[4] Sarikhani, N.,2009. Forest utilization. University of Tehran Press. 3th edition. 728p.(In Persian).
[5] Haynes, H.J.G. and Visser, R.J.M., 2004. An Applied Hardwood Value Recovery Study in the Appalachain Region of Virginia and West Virginia. International Journal of Forest Engineering, 15(1): 7–13.
[6] Ebrahimi, Gh., 1983. Wood drying in outdoor. University of Tehran Press. 253p. (In Persian).
[7] Ebrahimi, Gh. and Faezipour, M., 1994. Wood drying in kiln. University of Tehran Press. 460p. (In Persian).
[8] Wilhelmsen, G., 1969. Protection of wood raw material in Scandinavia. Material und Organism, 4(3): 201–229.
[9] Yang, D.Q. and Normand, D., 2012. Best practices to avoid hardwood checking Part I: Hardwood checking – the causes and prevention, FPInnovations, Progress Report TT5.7, Eastern Region, Quebec, Canada, 20 p.
[10] Rice, R.W., Wengert, E.M. and Schroeder, J.G., 1988. The potential for check reduction using surface coatings. Forest Products Journal, 38(10): 17–23.
[11] Yang, D.Q. and Beauregard, R., 2001. Check development on jack pine logs in Eastern Canada. Forest Products Journal, 51 (10): 63–65.
[12] Yang, D.Q. and Normand, D., 2008. End coating to prevent checks on hardwood, FPInnovations-Forintek Report No. 5366, Eastern Region, Quebec, Canada, 40 p.
[13] Linares-Hernandez, A. and Wengert, E.M., 1997. End Coating Logs to Prevent Stain and Checking. Forest Products Journal, 47(4): 65–70.
[14] Rice, R.W., 1995. Transport coefficients for six log and lumber end coatings. Forest Products Journal, 45(5): 64–68.
[15] Yang, D.Q. and Normand, D., 2013. Best Practices to Avoid Hardwood Checking, Part II. Prevention of Checking by Proper Storage Methods, FPInnovations, Progress Report, Project No. TT5.7, Eastern Region, Quebec, Canada, 33 p.
[16] Naghdi, R., Firozan, A.H., Torkaman, J. Hosini, J., Ghajar, I. and Jalali, A.M., 2013. Assessment of Anti-checking Iron and Paraffin Treatments Effects on the End-check Size of Logs. Journal of forest and wood products, 66(1):55–68.
[17] Khademi, H., 2003. Assessment of the check diametric changes in logs of Fagus Orientalis and its effect on veneer production process. Scientific and Research Journal of Agriculture, 12: 69-80.
[18] Iran Institute of Standard and Industrial Research, 1972. Standard, Definitions and Dimensions of Forest and Forestry Cut off. Vol. 1275.