1. The COST model for calculation of forest operations costs
2. Ackerman P, Gleasure E, Ackerman S, Shuttleworth B. 2014b. Standards for time studies for the South African forest industry. accessed June 20. http://www.forestproductivity.co.za/?page_id=678.
3. Andersson U. 2013. Automation and traction control of articulated vehicles. Diss.: Luleå University of Technology.
4. Asikainen A. 1995. Discrete-event simulation of mechanized wood-harvesting systems. Diss.: University of Joensuu.
5. Simulation of stump crushing and truck transport of chips